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Finding the Fourth Proportional to 2,927.68, 4,387.20 and 2,351.68

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Solution

The fourth proportional to 2,927.68, 4,387.20 and 2,351.68 is: 3,524.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927.68 : 4,387.20 = 2,351.68 : x
  2. Step 2: Convert to fraction form
    2,927.68/4,387.20 = 2,351.68/x
  3. Step 3: Cross multiply
    2,927.68x = 4,387.20 × 2,351.68
  4. Step 4: Simplify right side
    2,927.68x = 10,317,290.50
  5. Step 5: Solve for x
    x = 10,317,290.50/2,927.68
  6. Step 6: Final answer
    x = 3,524.05

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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.