Home / 2,348.46-3,240.77-1,353.78

Finding the Fourth Proportional to 2,348.46, 3,240.77 and 1,353.78

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Solution

The fourth proportional to 2,348.46, 3,240.77 and 1,353.78 is: 1,868.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,348.46 : 3,240.77 = 1,353.78 : x
  2. Step 2: Convert to fraction form
    2,348.46/3,240.77 = 1,353.78/x
  3. Step 3: Cross multiply
    2,348.46x = 3,240.77 × 1,353.78
  4. Step 4: Simplify right side
    2,348.46x = 4,387,282.84
  5. Step 5: Solve for x
    x = 4,387,282.84/2,348.46
  6. Step 6: Final answer
    x = 1,868.15

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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.