Home / 3,387.90-4,673.50-2,060.71

Finding the Fourth Proportional to 3,387.90, 4,673.50 and 2,060.71

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Solution

The fourth proportional to 3,387.90, 4,673.50 and 2,060.71 is: 2,842.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,387.90 : 4,673.50 = 2,060.71 : x
  2. Step 2: Convert to fraction form
    3,387.90/4,673.50 = 2,060.71/x
  3. Step 3: Cross multiply
    3,387.90x = 4,673.50 × 2,060.71
  4. Step 4: Simplify right side
    3,387.90x = 9,630,728.19
  5. Step 5: Solve for x
    x = 9,630,728.19/3,387.90
  6. Step 6: Final answer
    x = 2,842.68

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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.