Home / 3,036.71-4,191.19-2,898.20

Finding the Fourth Proportional to 3,036.71, 4,191.19 and 2,898.20

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Solution

The fourth proportional to 3,036.71, 4,191.19 and 2,898.20 is: 4,000.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,036.71 : 4,191.19 = 2,898.20 : x
  2. Step 2: Convert to fraction form
    3,036.71/4,191.19 = 2,898.20/x
  3. Step 3: Cross multiply
    3,036.71x = 4,191.19 × 2,898.20
  4. Step 4: Simplify right side
    3,036.71x = 12,146,906.86
  5. Step 5: Solve for x
    x = 12,146,906.86/3,036.71
  6. Step 6: Final answer
    x = 4,000.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.