Home / 3,319.92-4,980.42-1,373.49

Finding the Fourth Proportional to 3,319.92, 4,980.42 and 1,373.49

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Solution

The fourth proportional to 3,319.92, 4,980.42 and 1,373.49 is: 2,060.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,319.92 : 4,980.42 = 1,373.49 : x
  2. Step 2: Convert to fraction form
    3,319.92/4,980.42 = 1,373.49/x
  3. Step 3: Cross multiply
    3,319.92x = 4,980.42 × 1,373.49
  4. Step 4: Simplify right side
    3,319.92x = 6,840,557.07
  5. Step 5: Solve for x
    x = 6,840,557.07/3,319.92
  6. Step 6: Final answer
    x = 2,060.46

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1.5x scale

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.