Home / 3,008.18-4,151.31-1,681.95

Finding the Fourth Proportional to 3,008.18, 4,151.31 and 1,681.95

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Solution

The fourth proportional to 3,008.18, 4,151.31 and 1,681.95 is: 2,321.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,008.18 : 4,151.31 = 1,681.95 : x
  2. Step 2: Convert to fraction form
    3,008.18/4,151.31 = 1,681.95/x
  3. Step 3: Cross multiply
    3,008.18x = 4,151.31 × 1,681.95
  4. Step 4: Simplify right side
    3,008.18x = 6,982,295.85
  5. Step 5: Solve for x
    x = 6,982,295.85/3,008.18
  6. Step 6: Final answer
    x = 2,321.10

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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.