Home / 1,560.69-2,341.05-1,286.22

Finding the Fourth Proportional to 1,560.69, 2,341.05 and 1,286.22

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Solution

The fourth proportional to 1,560.69, 2,341.05 and 1,286.22 is: 1,929.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560.69 : 2,341.05 = 1,286.22 : x
  2. Step 2: Convert to fraction form
    1,560.69/2,341.05 = 1,286.22/x
  3. Step 3: Cross multiply
    1,560.69x = 2,341.05 × 1,286.22
  4. Step 4: Simplify right side
    1,560.69x = 3,011,105.33
  5. Step 5: Solve for x
    x = 3,011,105.33/1,560.69
  6. Step 6: Final answer
    x = 1,929.34

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.