Home / 3,284.90-4,927.35-3,142.70

Finding the Fourth Proportional to 3,284.90, 4,927.35 and 3,142.70

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Solution

The fourth proportional to 3,284.90, 4,927.35 and 3,142.70 is: 4,714.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,284.90 : 4,927.35 = 3,142.70 : x
  2. Step 2: Convert to fraction form
    3,284.90/4,927.35 = 3,142.70/x
  3. Step 3: Cross multiply
    3,284.90x = 4,927.35 × 3,142.70
  4. Step 4: Simplify right side
    3,284.90x = 15,485,182.85
  5. Step 5: Solve for x
    x = 15,485,182.85/3,284.90
  6. Step 6: Final answer
    x = 4,714.05

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Similar ratio
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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.