Home / 3,655.13-5,480.24-1,807.43

Finding the Fourth Proportional to 3,655.13, 5,480.24 and 1,807.43

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Solution

The fourth proportional to 3,655.13, 5,480.24 and 1,807.43 is: 2,709.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,655.13 : 5,480.24 = 1,807.43 : x
  2. Step 2: Convert to fraction form
    3,655.13/5,480.24 = 1,807.43/x
  3. Step 3: Cross multiply
    3,655.13x = 5,480.24 × 1,807.43
  4. Step 4: Simplify right side
    3,655.13x = 9,905,113.74
  5. Step 5: Solve for x
    x = 9,905,113.74/3,655.13
  6. Step 6: Final answer
    x = 2,709.92

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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.