Home / 1,512.18-2,088.72-1,364.76

Finding the Fourth Proportional to 1,512.18, 2,088.72 and 1,364.76

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Solution

The fourth proportional to 1,512.18, 2,088.72 and 1,364.76 is: 1,885.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512.18 : 2,088.72 = 1,364.76 : x
  2. Step 2: Convert to fraction form
    1,512.18/2,088.72 = 1,364.76/x
  3. Step 3: Cross multiply
    1,512.18x = 2,088.72 × 1,364.76
  4. Step 4: Simplify right side
    1,512.18x = 2,850,601.51
  5. Step 5: Solve for x
    x = 2,850,601.51/1,512.18
  6. Step 6: Final answer
    x = 1,885.09

Related Problems

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Half scale
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Double scale
Find fourth proportional to 1,513.18, 2,090.10 and 1,365.76
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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.