Home / 3,440.87-4,748.56-1,948.59

Finding the Fourth Proportional to 3,440.87, 4,748.56 and 1,948.59

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Solution

The fourth proportional to 3,440.87, 4,748.56 and 1,948.59 is: 2,689.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440.87 : 4,748.56 = 1,948.59 : x
  2. Step 2: Convert to fraction form
    3,440.87/4,748.56 = 1,948.59/x
  3. Step 3: Cross multiply
    3,440.87x = 4,748.56 × 1,948.59
  4. Step 4: Simplify right side
    3,440.87x = 9,252,996.53
  5. Step 5: Solve for x
    x = 9,252,996.53/3,440.87
  6. Step 6: Final answer
    x = 2,689.14

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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.