Home / 2,348.12-3,240.90-1,954.76

Finding the Fourth Proportional to 2,348.12, 3,240.90 and 1,954.76

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Solution

The fourth proportional to 2,348.12, 3,240.90 and 1,954.76 is: 2,697.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,348.12 : 3,240.90 = 1,954.76 : x
  2. Step 2: Convert to fraction form
    2,348.12/3,240.90 = 1,954.76/x
  3. Step 3: Cross multiply
    2,348.12x = 3,240.90 × 1,954.76
  4. Step 4: Simplify right side
    2,348.12x = 6,335,181.68
  5. Step 5: Solve for x
    x = 6,335,181.68/2,348.12
  6. Step 6: Final answer
    x = 2,697.98

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Half scale
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Double scale
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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.