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Finding the Fourth Proportional to 2,472.81, 3,710.07 and 1,770.72

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Solution

The fourth proportional to 2,472.81, 3,710.07 and 1,770.72 is: 2,656.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,472.81 : 3,710.07 = 1,770.72 : x
  2. Step 2: Convert to fraction form
    2,472.81/3,710.07 = 1,770.72/x
  3. Step 3: Cross multiply
    2,472.81x = 3,710.07 × 1,770.72
  4. Step 4: Simplify right side
    2,472.81x = 6,569,495.15
  5. Step 5: Solve for x
    x = 6,569,495.15/2,472.81
  6. Step 6: Final answer
    x = 2,656.69

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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.