Home / 3,116.30-4,674.44-2,139.44

Finding the Fourth Proportional to 3,116.30, 4,674.44 and 2,139.44

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Solution

The fourth proportional to 3,116.30, 4,674.44 and 2,139.44 is: 3,209.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116.30 : 4,674.44 = 2,139.44 : x
  2. Step 2: Convert to fraction form
    3,116.30/4,674.44 = 2,139.44/x
  3. Step 3: Cross multiply
    3,116.30x = 4,674.44 × 2,139.44
  4. Step 4: Simplify right side
    3,116.30x = 10,000,683.91
  5. Step 5: Solve for x
    x = 10,000,683.91/3,116.30
  6. Step 6: Final answer
    x = 3,209.15

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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.