Home / 3,373.16-5,057.91-1,815.02

Finding the Fourth Proportional to 3,373.16, 5,057.91 and 1,815.02

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Solution

The fourth proportional to 3,373.16, 5,057.91 and 1,815.02 is: 2,721.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,373.16 : 5,057.91 = 1,815.02 : x
  2. Step 2: Convert to fraction form
    3,373.16/5,057.91 = 1,815.02/x
  3. Step 3: Cross multiply
    3,373.16x = 5,057.91 × 1,815.02
  4. Step 4: Simplify right side
    3,373.16x = 9,180,207.81
  5. Step 5: Solve for x
    x = 9,180,207.81/3,373.16
  6. Step 6: Final answer
    x = 2,721.55

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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.