Home / 2,176.62-3,003.90-1,337.13

Finding the Fourth Proportional to 2,176.62, 3,003.90 and 1,337.13

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Solution

The fourth proportional to 2,176.62, 3,003.90 and 1,337.13 is: 1,845.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176.62 : 3,003.90 = 1,337.13 : x
  2. Step 2: Convert to fraction form
    2,176.62/3,003.90 = 1,337.13/x
  3. Step 3: Cross multiply
    2,176.62x = 3,003.90 × 1,337.13
  4. Step 4: Simplify right side
    2,176.62x = 4,016,604.81
  5. Step 5: Solve for x
    x = 4,016,604.81/2,176.62
  6. Step 6: Final answer
    x = 1,845.34

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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.