Home / 1,444.46-2,149.36-1,439.60

Finding the Fourth Proportional to 1,444.46, 2,149.36 and 1,439.60

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Solution

The fourth proportional to 1,444.46, 2,149.36 and 1,439.60 is: 2,142.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,444.46 : 2,149.36 = 1,439.60 : x
  2. Step 2: Convert to fraction form
    1,444.46/2,149.36 = 1,439.60/x
  3. Step 3: Cross multiply
    1,444.46x = 2,149.36 × 1,439.60
  4. Step 4: Simplify right side
    1,444.46x = 3,094,218.66
  5. Step 5: Solve for x
    x = 3,094,218.66/1,444.46
  6. Step 6: Final answer
    x = 2,142.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.