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Finding the Fourth Proportional to 2,127.32, 3,191.15 and 567.32

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Solution

The fourth proportional to 2,127.32, 3,191.15 and 567.32 is: 851.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127.32 : 3,191.15 = 567.32 : x
  2. Step 2: Convert to fraction form
    2,127.32/3,191.15 = 567.32/x
  3. Step 3: Cross multiply
    2,127.32x = 3,191.15 × 567.32
  4. Step 4: Simplify right side
    2,127.32x = 1,810,403.22
  5. Step 5: Solve for x
    x = 1,810,403.22/2,127.32
  6. Step 6: Final answer
    x = 851.03

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1.5x scale

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.