Home / 3,006.17-4,148.61-1,679.93

Finding the Fourth Proportional to 3,006.17, 4,148.61 and 1,679.93

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Solution

The fourth proportional to 3,006.17, 4,148.61 and 1,679.93 is: 2,318.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,006.17 : 4,148.61 = 1,679.93 : x
  2. Step 2: Convert to fraction form
    3,006.17/4,148.61 = 1,679.93/x
  3. Step 3: Cross multiply
    3,006.17x = 4,148.61 × 1,679.93
  4. Step 4: Simplify right side
    3,006.17x = 6,969,380.57
  5. Step 5: Solve for x
    x = 6,969,380.57/3,006.17
  6. Step 6: Final answer
    x = 2,318.36

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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.