Home / 3,686.81-5,531.01-1,737.95

Finding the Fourth Proportional to 3,686.81, 5,531.01 and 1,737.95

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Solution

The fourth proportional to 3,686.81, 5,531.01 and 1,737.95 is: 2,607.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,686.81 : 5,531.01 = 1,737.95 : x
  2. Step 2: Convert to fraction form
    3,686.81/5,531.01 = 1,737.95/x
  3. Step 3: Cross multiply
    3,686.81x = 5,531.01 × 1,737.95
  4. Step 4: Simplify right side
    3,686.81x = 9,612,591.17
  5. Step 5: Solve for x
    x = 9,612,591.17/3,686.81
  6. Step 6: Final answer
    x = 2,607.30

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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.