Home / 2,247.80-3,101.43-1,363.58

Finding the Fourth Proportional to 2,247.80, 3,101.43 and 1,363.58

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Solution

The fourth proportional to 2,247.80, 3,101.43 and 1,363.58 is: 1,881.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,247.80 : 3,101.43 = 1,363.58 : x
  2. Step 2: Convert to fraction form
    2,247.80/3,101.43 = 1,363.58/x
  3. Step 3: Cross multiply
    2,247.80x = 3,101.43 × 1,363.58
  4. Step 4: Simplify right side
    2,247.80x = 4,229,047.92
  5. Step 5: Solve for x
    x = 4,229,047.92/2,247.80
  6. Step 6: Final answer
    x = 1,881.42

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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.