Home / 2,737.40-4,104.88-1,275.75

Finding the Fourth Proportional to 2,737.40, 4,104.88 and 1,275.75

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Solution

The fourth proportional to 2,737.40, 4,104.88 and 1,275.75 is: 1,913.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,737.40 : 4,104.88 = 1,275.75 : x
  2. Step 2: Convert to fraction form
    2,737.40/4,104.88 = 1,275.75/x
  3. Step 3: Cross multiply
    2,737.40x = 4,104.88 × 1,275.75
  4. Step 4: Simplify right side
    2,737.40x = 5,236,797.47
  5. Step 5: Solve for x
    x = 5,236,797.47/2,737.40
  6. Step 6: Final answer
    x = 1,913.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.