Home / 3,099.98-4,276.92-1,772.74

Finding the Fourth Proportional to 3,099.98, 4,276.92 and 1,772.74

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Solution

The fourth proportional to 3,099.98, 4,276.92 and 1,772.74 is: 2,445.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,099.98 : 4,276.92 = 1,772.74 : x
  2. Step 2: Convert to fraction form
    3,099.98/4,276.92 = 1,772.74/x
  3. Step 3: Cross multiply
    3,099.98x = 4,276.92 × 1,772.74
  4. Step 4: Simplify right side
    3,099.98x = 7,581,856.47
  5. Step 5: Solve for x
    x = 7,581,856.47/3,099.98
  6. Step 6: Final answer
    x = 2,445.77

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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.