Home / 3,321.10-4,981.65-1,373.35

Finding the Fourth Proportional to 3,321.10, 4,981.65 and 1,373.35

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Solution

The fourth proportional to 3,321.10, 4,981.65 and 1,373.35 is: 2,060.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321.10 : 4,981.65 = 1,373.35 : x
  2. Step 2: Convert to fraction form
    3,321.10/4,981.65 = 1,373.35/x
  3. Step 3: Cross multiply
    3,321.10x = 4,981.65 × 1,373.35
  4. Step 4: Simplify right side
    3,321.10x = 6,841,549.03
  5. Step 5: Solve for x
    x = 6,841,549.03/3,321.10
  6. Step 6: Final answer
    x = 2,060.03

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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.