Home / 2,472.39-3,702.69-1,430.19

Finding the Fourth Proportional to 2,472.39, 3,702.69 and 1,430.19

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Solution

The fourth proportional to 2,472.39, 3,702.69 and 1,430.19 is: 2,141.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,472.39 : 3,702.69 = 1,430.19 : x
  2. Step 2: Convert to fraction form
    2,472.39/3,702.69 = 1,430.19/x
  3. Step 3: Cross multiply
    2,472.39x = 3,702.69 × 1,430.19
  4. Step 4: Simplify right side
    2,472.39x = 5,295,550.21
  5. Step 5: Solve for x
    x = 5,295,550.21/2,472.39
  6. Step 6: Final answer
    x = 2,141.87

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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.