Home / 3,348.82-4,621.38-1,856.76

Finding the Fourth Proportional to 3,348.82, 4,621.38 and 1,856.76

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Solution

The fourth proportional to 3,348.82, 4,621.38 and 1,856.76 is: 2,562.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,348.82 : 4,621.38 = 1,856.76 : x
  2. Step 2: Convert to fraction form
    3,348.82/4,621.38 = 1,856.76/x
  3. Step 3: Cross multiply
    3,348.82x = 4,621.38 × 1,856.76
  4. Step 4: Simplify right side
    3,348.82x = 8,580,793.53
  5. Step 5: Solve for x
    x = 8,580,793.53/3,348.82
  6. Step 6: Final answer
    x = 2,562.34

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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.