Home / 3,024.77-4,174.17-1,680.38

Finding the Fourth Proportional to 3,024.77, 4,174.17 and 1,680.38

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Solution

The fourth proportional to 3,024.77, 4,174.17 and 1,680.38 is: 2,318.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,024.77 : 4,174.17 = 1,680.38 : x
  2. Step 2: Convert to fraction form
    3,024.77/4,174.17 = 1,680.38/x
  3. Step 3: Cross multiply
    3,024.77x = 4,174.17 × 1,680.38
  4. Step 4: Simplify right side
    3,024.77x = 7,014,170.91
  5. Step 5: Solve for x
    x = 7,014,170.91/3,024.77
  6. Step 6: Final answer
    x = 2,318.91

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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.