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Finding the Fourth Proportional to 3,379.52, 4,681.88 and 3,298.88

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Solution

The fourth proportional to 3,379.52, 4,681.88 and 3,298.88 is: 4,570.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,379.52 : 4,681.88 = 3,298.88 : x
  2. Step 2: Convert to fraction form
    3,379.52/4,681.88 = 3,298.88/x
  3. Step 3: Cross multiply
    3,379.52x = 4,681.88 × 3,298.88
  4. Step 4: Simplify right side
    3,379.52x = 15,444,960.29
  5. Step 5: Solve for x
    x = 15,444,960.29/3,379.52
  6. Step 6: Final answer
    x = 4,570.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.