Home / 2,866.30-4,287.45-2,575.90

Finding the Fourth Proportional to 2,866.30, 4,287.45 and 2,575.90

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Solution

The fourth proportional to 2,866.30, 4,287.45 and 2,575.90 is: 3,853.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,866.30 : 4,287.45 = 2,575.90 : x
  2. Step 2: Convert to fraction form
    2,866.30/4,287.45 = 2,575.90/x
  3. Step 3: Cross multiply
    2,866.30x = 4,287.45 × 2,575.90
  4. Step 4: Simplify right side
    2,866.30x = 11,044,042.46
  5. Step 5: Solve for x
    x = 11,044,042.46/2,866.30
  6. Step 6: Final answer
    x = 3,853.07

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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.