Home / 1,513.62-2,270.43-1,210.17

Finding the Fourth Proportional to 1,513.62, 2,270.43 and 1,210.17

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Solution

The fourth proportional to 1,513.62, 2,270.43 and 1,210.17 is: 1,815.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513.62 : 2,270.43 = 1,210.17 : x
  2. Step 2: Convert to fraction form
    1,513.62/2,270.43 = 1,210.17/x
  3. Step 3: Cross multiply
    1,513.62x = 2,270.43 × 1,210.17
  4. Step 4: Simplify right side
    1,513.62x = 2,747,614.79
  5. Step 5: Solve for x
    x = 2,747,614.79/1,513.62
  6. Step 6: Final answer
    x = 1,815.26

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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.