Home / 1,867.12-2,801.15-568.60

Finding the Fourth Proportional to 1,867.12, 2,801.15 and 568.60

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Solution

The fourth proportional to 1,867.12, 2,801.15 and 568.60 is: 853.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,867.12 : 2,801.15 = 568.60 : x
  2. Step 2: Convert to fraction form
    1,867.12/2,801.15 = 568.60/x
  3. Step 3: Cross multiply
    1,867.12x = 2,801.15 × 568.60
  4. Step 4: Simplify right side
    1,867.12x = 1,592,717.04
  5. Step 5: Solve for x
    x = 1,592,717.04/1,867.12
  6. Step 6: Final answer
    x = 853.04

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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.