Home / 2,909.52-4,364.24-2,047.68

Finding the Fourth Proportional to 2,909.52, 4,364.24 and 2,047.68

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Solution

The fourth proportional to 2,909.52, 4,364.24 and 2,047.68 is: 3,071.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909.52 : 4,364.24 = 2,047.68 : x
  2. Step 2: Convert to fraction form
    2,909.52/4,364.24 = 2,047.68/x
  3. Step 3: Cross multiply
    2,909.52x = 4,364.24 × 2,047.68
  4. Step 4: Simplify right side
    2,909.52x = 8,936,566.96
  5. Step 5: Solve for x
    x = 8,936,566.96/2,909.52
  6. Step 6: Final answer
    x = 3,071.49

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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.