Home / 3,008.13-4,151.19-1,681.89

Finding the Fourth Proportional to 3,008.13, 4,151.19 and 1,681.89

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Solution

The fourth proportional to 3,008.13, 4,151.19 and 1,681.89 is: 2,320.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,008.13 : 4,151.19 = 1,681.89 : x
  2. Step 2: Convert to fraction form
    3,008.13/4,151.19 = 1,681.89/x
  3. Step 3: Cross multiply
    3,008.13x = 4,151.19 × 1,681.89
  4. Step 4: Simplify right side
    3,008.13x = 6,981,844.95
  5. Step 5: Solve for x
    x = 6,981,844.95/3,008.13
  6. Step 6: Final answer
    x = 2,320.99

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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.