Home / 3,349.28-4,621.61-1,856.84

Finding the Fourth Proportional to 3,349.28, 4,621.61 and 1,856.84

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Solution

The fourth proportional to 3,349.28, 4,621.61 and 1,856.84 is: 2,562.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,349.28 : 4,621.61 = 1,856.84 : x
  2. Step 2: Convert to fraction form
    3,349.28/4,621.61 = 1,856.84/x
  3. Step 3: Cross multiply
    3,349.28x = 4,621.61 × 1,856.84
  4. Step 4: Simplify right side
    3,349.28x = 8,581,557.92
  5. Step 5: Solve for x
    x = 8,581,557.92/3,349.28
  6. Step 6: Final answer
    x = 2,562.21

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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.