Home / 3,769.53-5,652.01-1,689.15

Finding the Fourth Proportional to 3,769.53, 5,652.01 and 1,689.15

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Solution

The fourth proportional to 3,769.53, 5,652.01 and 1,689.15 is: 2,532.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,769.53 : 5,652.01 = 1,689.15 : x
  2. Step 2: Convert to fraction form
    3,769.53/5,652.01 = 1,689.15/x
  3. Step 3: Cross multiply
    3,769.53x = 5,652.01 × 1,689.15
  4. Step 4: Simplify right side
    3,769.53x = 9,547,060.21
  5. Step 5: Solve for x
    x = 9,547,060.21/3,769.53
  6. Step 6: Final answer
    x = 2,532.70

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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.