Home / 3,177.13-4,384.38-1,760.81

Finding the Fourth Proportional to 3,177.13, 4,384.38 and 1,760.81

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Solution

The fourth proportional to 3,177.13, 4,384.38 and 1,760.81 is: 2,429.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177.13 : 4,384.38 = 1,760.81 : x
  2. Step 2: Convert to fraction form
    3,177.13/4,384.38 = 1,760.81/x
  3. Step 3: Cross multiply
    3,177.13x = 4,384.38 × 1,760.81
  4. Step 4: Simplify right side
    3,177.13x = 7,720,040.38
  5. Step 5: Solve for x
    x = 7,720,040.38/3,177.13
  6. Step 6: Final answer
    x = 2,429.88

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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.