Home / 1,507.13-2,260.40-411.23

Finding the Fourth Proportional to 1,507.13, 2,260.40 and 411.23

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Solution

The fourth proportional to 1,507.13, 2,260.40 and 411.23 is: 616.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507.13 : 2,260.40 = 411.23 : x
  2. Step 2: Convert to fraction form
    1,507.13/2,260.40 = 411.23/x
  3. Step 3: Cross multiply
    1,507.13x = 2,260.40 × 411.23
  4. Step 4: Simplify right side
    1,507.13x = 929,542.24
  5. Step 5: Solve for x
    x = 929,542.24/1,507.13
  6. Step 6: Final answer
    x = 616.76

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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.