Home / 1,444.80-2,176.86-1,250.40

Finding the Fourth Proportional to 1,444.80, 2,176.86 and 1,250.40

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Solution

The fourth proportional to 1,444.80, 2,176.86 and 1,250.40 is: 1,883.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,444.80 : 2,176.86 = 1,250.40 : x
  2. Step 2: Convert to fraction form
    1,444.80/2,176.86 = 1,250.40/x
  3. Step 3: Cross multiply
    1,444.80x = 2,176.86 × 1,250.40
  4. Step 4: Simplify right side
    1,444.80x = 2,721,945.74
  5. Step 5: Solve for x
    x = 2,721,945.74/1,444.80
  6. Step 6: Final answer
    x = 1,883.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.