Home / 3,292.20-4,941.08-1,319.20

Finding the Fourth Proportional to 3,292.20, 4,941.08 and 1,319.20

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Solution

The fourth proportional to 3,292.20, 4,941.08 and 1,319.20 is: 1,979.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,292.20 : 4,941.08 = 1,319.20 : x
  2. Step 2: Convert to fraction form
    3,292.20/4,941.08 = 1,319.20/x
  3. Step 3: Cross multiply
    3,292.20x = 4,941.08 × 1,319.20
  4. Step 4: Simplify right side
    3,292.20x = 6,518,272.74
  5. Step 5: Solve for x
    x = 6,518,272.74/3,292.20
  6. Step 6: Final answer
    x = 1,979.91

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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.