Home / 2,149.93-2,966.39-1,363.69

Finding the Fourth Proportional to 2,149.93, 2,966.39 and 1,363.69

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Solution

The fourth proportional to 2,149.93, 2,966.39 and 1,363.69 is: 1,881.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,149.93 : 2,966.39 = 1,363.69 : x
  2. Step 2: Convert to fraction form
    2,149.93/2,966.39 = 1,363.69/x
  3. Step 3: Cross multiply
    2,149.93x = 2,966.39 × 1,363.69
  4. Step 4: Simplify right side
    2,149.93x = 4,045,229.56
  5. Step 5: Solve for x
    x = 4,045,229.56/2,149.93
  6. Step 6: Final answer
    x = 1,881.56

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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.