Home / 2,490.33-3,437.60-1,957.83

Finding the Fourth Proportional to 2,490.33, 3,437.60 and 1,957.83

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Solution

The fourth proportional to 2,490.33, 3,437.60 and 1,957.83 is: 2,702.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,490.33 : 3,437.60 = 1,957.83 : x
  2. Step 2: Convert to fraction form
    2,490.33/3,437.60 = 1,957.83/x
  3. Step 3: Cross multiply
    2,490.33x = 3,437.60 × 1,957.83
  4. Step 4: Simplify right side
    2,490.33x = 6,730,236.41
  5. Step 5: Solve for x
    x = 6,730,236.41/2,490.33
  6. Step 6: Final answer
    x = 2,702.55

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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.