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Finding the Fourth Proportional to 1,952.22, 2,931.58 and 1,937.10

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Solution

The fourth proportional to 1,952.22, 2,931.58 and 1,937.10 is: 2,908.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,952.22 : 2,931.58 = 1,937.10 : x
  2. Step 2: Convert to fraction form
    1,952.22/2,931.58 = 1,937.10/x
  3. Step 3: Cross multiply
    1,952.22x = 2,931.58 × 1,937.10
  4. Step 4: Simplify right side
    1,952.22x = 5,678,763.62
  5. Step 5: Solve for x
    x = 5,678,763.62/1,952.22
  6. Step 6: Final answer
    x = 2,908.87

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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.