Home / 1,342.17-2,013.12-417.69

Finding the Fourth Proportional to 1,342.17, 2,013.12 and 417.69

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Solution

The fourth proportional to 1,342.17, 2,013.12 and 417.69 is: 626.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342.17 : 2,013.12 = 417.69 : x
  2. Step 2: Convert to fraction form
    1,342.17/2,013.12 = 417.69/x
  3. Step 3: Cross multiply
    1,342.17x = 2,013.12 × 417.69
  4. Step 4: Simplify right side
    1,342.17x = 840,860.09
  5. Step 5: Solve for x
    x = 840,860.09/1,342.17
  6. Step 6: Final answer
    x = 626.49

Related Problems

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Half scale
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Double scale
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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.