Home / 2,267.19-3,129.23-1,480.78

Finding the Fourth Proportional to 2,267.19, 3,129.23 and 1,480.78

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Solution

The fourth proportional to 2,267.19, 3,129.23 and 1,480.78 is: 2,043.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,267.19 : 3,129.23 = 1,480.78 : x
  2. Step 2: Convert to fraction form
    2,267.19/3,129.23 = 1,480.78/x
  3. Step 3: Cross multiply
    2,267.19x = 3,129.23 × 1,480.78
  4. Step 4: Simplify right side
    2,267.19x = 4,633,708.81
  5. Step 5: Solve for x
    x = 4,633,708.81/2,267.19
  6. Step 6: Final answer
    x = 2,043.81

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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.