Home / 2,444.20-3,372.42-1,381.99

Finding the Fourth Proportional to 2,444.20, 3,372.42 and 1,381.99

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Solution

The fourth proportional to 2,444.20, 3,372.42 and 1,381.99 is: 1,906.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,444.20 : 3,372.42 = 1,381.99 : x
  2. Step 2: Convert to fraction form
    2,444.20/3,372.42 = 1,381.99/x
  3. Step 3: Cross multiply
    2,444.20x = 3,372.42 × 1,381.99
  4. Step 4: Simplify right side
    2,444.20x = 4,660,643.81
  5. Step 5: Solve for x
    x = 4,660,643.81/2,444.20
  6. Step 6: Final answer
    x = 1,906.82

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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.