Home / 2,565.38-3,540.02-1,445.96

Finding the Fourth Proportional to 2,565.38, 3,540.02 and 1,445.96

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Solution

The fourth proportional to 2,565.38, 3,540.02 and 1,445.96 is: 1,995.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,565.38 : 3,540.02 = 1,445.96 : x
  2. Step 2: Convert to fraction form
    2,565.38/3,540.02 = 1,445.96/x
  3. Step 3: Cross multiply
    2,565.38x = 3,540.02 × 1,445.96
  4. Step 4: Simplify right side
    2,565.38x = 5,118,702.39
  5. Step 5: Solve for x
    x = 5,118,702.39/2,565.38
  6. Step 6: Final answer
    x = 1,995.30

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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.