Home / 3,440.13-4,748.45-2,198.13

Finding the Fourth Proportional to 3,440.13, 4,748.45 and 2,198.13

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Solution

The fourth proportional to 3,440.13, 4,748.45 and 2,198.13 is: 3,034.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440.13 : 4,748.45 = 2,198.13 : x
  2. Step 2: Convert to fraction form
    3,440.13/4,748.45 = 2,198.13/x
  3. Step 3: Cross multiply
    3,440.13x = 4,748.45 × 2,198.13
  4. Step 4: Simplify right side
    3,440.13x = 10,437,710.40
  5. Step 5: Solve for x
    x = 10,437,710.40/3,440.13
  6. Step 6: Final answer
    x = 3,034.10

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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.