Home / 3,237.60-4,470-2,490.18

Finding the Fourth Proportional to 3,237.60, 4,470 and 2,490.18

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Solution

The fourth proportional to 3,237.60, 4,470 and 2,490.18 is: 3,438.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,237.60 : 4,470 = 2,490.18 : x
  2. Step 2: Convert to fraction form
    3,237.60/4,470 = 2,490.18/x
  3. Step 3: Cross multiply
    3,237.60x = 4,470 × 2,490.18
  4. Step 4: Simplify right side
    3,237.60x = 11,131,104.60
  5. Step 5: Solve for x
    x = 11,131,104.60/3,237.60
  6. Step 6: Final answer
    x = 3,438.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.