Home / 2,565.40-3,538.02-2,067.88

Finding the Fourth Proportional to 2,565.40, 3,538.02 and 2,067.88

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Solution

The fourth proportional to 2,565.40, 3,538.02 and 2,067.88 is: 2,851.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,565.40 : 3,538.02 = 2,067.88 : x
  2. Step 2: Convert to fraction form
    2,565.40/3,538.02 = 2,067.88/x
  3. Step 3: Cross multiply
    2,565.40x = 3,538.02 × 2,067.88
  4. Step 4: Simplify right side
    2,565.40x = 7,316,200.80
  5. Step 5: Solve for x
    x = 7,316,200.80/2,565.40
  6. Step 6: Final answer
    x = 2,851.88

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