Home / 2,470.19-3,702.86-1,172.57

Finding the Fourth Proportional to 2,470.19, 3,702.86 and 1,172.57

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Solution

The fourth proportional to 2,470.19, 3,702.86 and 1,172.57 is: 1,757.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,470.19 : 3,702.86 = 1,172.57 : x
  2. Step 2: Convert to fraction form
    2,470.19/3,702.86 = 1,172.57/x
  3. Step 3: Cross multiply
    2,470.19x = 3,702.86 × 1,172.57
  4. Step 4: Simplify right side
    2,470.19x = 4,341,856.69
  5. Step 5: Solve for x
    x = 4,341,856.69/2,470.19
  6. Step 6: Final answer
    x = 1,757.70

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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.