Home / 3,320.28-4,981.46-1,373.40

Finding the Fourth Proportional to 3,320.28, 4,981.46 and 1,373.40

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Solution

The fourth proportional to 3,320.28, 4,981.46 and 1,373.40 is: 2,060.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320.28 : 4,981.46 = 1,373.40 : x
  2. Step 2: Convert to fraction form
    3,320.28/4,981.46 = 1,373.40/x
  3. Step 3: Cross multiply
    3,320.28x = 4,981.46 × 1,373.40
  4. Step 4: Simplify right side
    3,320.28x = 6,841,537.16
  5. Step 5: Solve for x
    x = 6,841,537.16/3,320.28
  6. Step 6: Final answer
    x = 2,060.53

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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.