Home / 3,099.96-4,278.02-1,702.71

Finding the Fourth Proportional to 3,099.96, 4,278.02 and 1,702.71

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Solution

The fourth proportional to 3,099.96, 4,278.02 and 1,702.71 is: 2,349.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,099.96 : 4,278.02 = 1,702.71 : x
  2. Step 2: Convert to fraction form
    3,099.96/4,278.02 = 1,702.71/x
  3. Step 3: Cross multiply
    3,099.96x = 4,278.02 × 1,702.71
  4. Step 4: Simplify right side
    3,099.96x = 7,284,218.92
  5. Step 5: Solve for x
    x = 7,284,218.92/3,099.96
  6. Step 6: Final answer
    x = 2,349.78

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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.