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Finding the Fourth Proportional to 3,769.29, 5,652.63 and 1,547.51

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Solution

The fourth proportional to 3,769.29, 5,652.63 and 1,547.51 is: 2,320.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,769.29 : 5,652.63 = 1,547.51 : x
  2. Step 2: Convert to fraction form
    3,769.29/5,652.63 = 1,547.51/x
  3. Step 3: Cross multiply
    3,769.29x = 5,652.63 × 1,547.51
  4. Step 4: Simplify right side
    3,769.29x = 8,747,473.19
  5. Step 5: Solve for x
    x = 8,747,473.19/3,769.29
  6. Step 6: Final answer
    x = 2,320.72

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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.