Home / 3,440.66-4,748.40-1,948.84

Finding the Fourth Proportional to 3,440.66, 4,748.40 and 1,948.84

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Solution

The fourth proportional to 3,440.66, 4,748.40 and 1,948.84 is: 2,689.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440.66 : 4,748.40 = 1,948.84 : x
  2. Step 2: Convert to fraction form
    3,440.66/4,748.40 = 1,948.84/x
  3. Step 3: Cross multiply
    3,440.66x = 4,748.40 × 1,948.84
  4. Step 4: Simplify right side
    3,440.66x = 9,253,882.66
  5. Step 5: Solve for x
    x = 9,253,882.66/3,440.66
  6. Step 6: Final answer
    x = 2,689.57

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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.