Home / 3,348.89-4,621.42-1,856.81

Finding the Fourth Proportional to 3,348.89, 4,621.42 and 1,856.81

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Solution

The fourth proportional to 3,348.89, 4,621.42 and 1,856.81 is: 2,562.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,348.89 : 4,621.42 = 1,856.81 : x
  2. Step 2: Convert to fraction form
    3,348.89/4,621.42 = 1,856.81/x
  3. Step 3: Cross multiply
    3,348.89x = 4,621.42 × 1,856.81
  4. Step 4: Simplify right side
    3,348.89x = 8,581,098.87
  5. Step 5: Solve for x
    x = 8,581,098.87/3,348.89
  6. Step 6: Final answer
    x = 2,562.37

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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.