Home / 1,560.39-2,153.48-1,166.73

Finding the Fourth Proportional to 1,560.39, 2,153.48 and 1,166.73

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Solution

The fourth proportional to 1,560.39, 2,153.48 and 1,166.73 is: 1,610.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560.39 : 2,153.48 = 1,166.73 : x
  2. Step 2: Convert to fraction form
    1,560.39/2,153.48 = 1,166.73/x
  3. Step 3: Cross multiply
    1,560.39x = 2,153.48 × 1,166.73
  4. Step 4: Simplify right side
    1,560.39x = 2,512,529.72
  5. Step 5: Solve for x
    x = 2,512,529.72/1,560.39
  6. Step 6: Final answer
    x = 1,610.19

Related Problems

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Half scale
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Double scale
Find fourth proportional to 1,561.39, 2,154.86 and 1,167.73
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.