Home / 2,127.28-3,191.08-567.32

Finding the Fourth Proportional to 2,127.28, 3,191.08 and 567.32

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Solution

The fourth proportional to 2,127.28, 3,191.08 and 567.32 is: 851.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127.28 : 3,191.08 = 567.32 : x
  2. Step 2: Convert to fraction form
    2,127.28/3,191.08 = 567.32/x
  3. Step 3: Cross multiply
    2,127.28x = 3,191.08 × 567.32
  4. Step 4: Simplify right side
    2,127.28x = 1,810,363.51
  5. Step 5: Solve for x
    x = 1,810,363.51/2,127.28
  6. Step 6: Final answer
    x = 851.02

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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.