Home / 3,689.14-5,534.25-1,091.74

Finding the Fourth Proportional to 3,689.14, 5,534.25 and 1,091.74

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Solution

The fourth proportional to 3,689.14, 5,534.25 and 1,091.74 is: 1,637.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,689.14 : 5,534.25 = 1,091.74 : x
  2. Step 2: Convert to fraction form
    3,689.14/5,534.25 = 1,091.74/x
  3. Step 3: Cross multiply
    3,689.14x = 5,534.25 × 1,091.74
  4. Step 4: Simplify right side
    3,689.14x = 6,041,962.10
  5. Step 5: Solve for x
    x = 6,041,962.10/3,689.14
  6. Step 6: Final answer
    x = 1,637.77

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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.