Home / 3,440.85-4,748.22-1,948.83

Finding the Fourth Proportional to 3,440.85, 4,748.22 and 1,948.83

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Solution

The fourth proportional to 3,440.85, 4,748.22 and 1,948.83 is: 2,689.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440.85 : 4,748.22 = 1,948.83 : x
  2. Step 2: Convert to fraction form
    3,440.85/4,748.22 = 1,948.83/x
  3. Step 3: Cross multiply
    3,440.85x = 4,748.22 × 1,948.83
  4. Step 4: Simplify right side
    3,440.85x = 9,253,473.58
  5. Step 5: Solve for x
    x = 9,253,473.58/3,440.85
  6. Step 6: Final answer
    x = 2,689.30

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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.