Home / 2,761.70-4,113.52-2,635.30

Finding the Fourth Proportional to 2,761.70, 4,113.52 and 2,635.30

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Solution

The fourth proportional to 2,761.70, 4,113.52 and 2,635.30 is: 3,925.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,761.70 : 4,113.52 = 2,635.30 : x
  2. Step 2: Convert to fraction form
    2,761.70/4,113.52 = 2,635.30/x
  3. Step 3: Cross multiply
    2,761.70x = 4,113.52 × 2,635.30
  4. Step 4: Simplify right side
    2,761.70x = 10,840,359.26
  5. Step 5: Solve for x
    x = 10,840,359.26/2,761.70
  6. Step 6: Final answer
    x = 3,925.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.