Home / 2,340.02-3,229.22-1,277.80

Finding the Fourth Proportional to 2,340.02, 3,229.22 and 1,277.80

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Solution

The fourth proportional to 2,340.02, 3,229.22 and 1,277.80 is: 1,763.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,340.02 : 3,229.22 = 1,277.80 : x
  2. Step 2: Convert to fraction form
    2,340.02/3,229.22 = 1,277.80/x
  3. Step 3: Cross multiply
    2,340.02x = 3,229.22 × 1,277.80
  4. Step 4: Simplify right side
    2,340.02x = 4,126,274.78
  5. Step 5: Solve for x
    x = 4,126,274.78/2,340.02
  6. Step 6: Final answer
    x = 1,763.35

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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.