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Finding the Fourth Proportional to 1,952.52, 2,695.70 and 1,207.50

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Solution

The fourth proportional to 1,952.52, 2,695.70 and 1,207.50 is: 1,667.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,952.52 : 2,695.70 = 1,207.50 : x
  2. Step 2: Convert to fraction form
    1,952.52/2,695.70 = 1,207.50/x
  3. Step 3: Cross multiply
    1,952.52x = 2,695.70 × 1,207.50
  4. Step 4: Simplify right side
    1,952.52x = 3,255,057.75
  5. Step 5: Solve for x
    x = 3,255,057.75/1,952.52
  6. Step 6: Final answer
    x = 1,667.11

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Why These Related Problems?

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