Home / 2,348.58-3,240.86-1,353.20

Finding the Fourth Proportional to 2,348.58, 3,240.86 and 1,353.20

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Solution

The fourth proportional to 2,348.58, 3,240.86 and 1,353.20 is: 1,867.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,348.58 : 3,240.86 = 1,353.20 : x
  2. Step 2: Convert to fraction form
    2,348.58/3,240.86 = 1,353.20/x
  3. Step 3: Cross multiply
    2,348.58x = 3,240.86 × 1,353.20
  4. Step 4: Simplify right side
    2,348.58x = 4,385,508.78
  5. Step 5: Solve for x
    x = 4,385,508.78/2,348.58
  6. Step 6: Final answer
    x = 1,867.30

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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.