Home / 1,507.47-2,260.97-411.92

Finding the Fourth Proportional to 1,507.47, 2,260.97 and 411.92

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Solution

The fourth proportional to 1,507.47, 2,260.97 and 411.92 is: 617.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507.47 : 2,260.97 = 411.92 : x
  2. Step 2: Convert to fraction form
    1,507.47/2,260.97 = 411.92/x
  3. Step 3: Cross multiply
    1,507.47x = 2,260.97 × 411.92
  4. Step 4: Simplify right side
    1,507.47x = 931,338.76
  5. Step 5: Solve for x
    x = 931,338.76/1,507.47
  6. Step 6: Final answer
    x = 617.82

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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.