Home / 2,263.85-3,123.97-1,269.12

Finding the Fourth Proportional to 2,263.85, 3,123.97 and 1,269.12

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Solution

The fourth proportional to 2,263.85, 3,123.97 and 1,269.12 is: 1,751.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,263.85 : 3,123.97 = 1,269.12 : x
  2. Step 2: Convert to fraction form
    2,263.85/3,123.97 = 1,269.12/x
  3. Step 3: Cross multiply
    2,263.85x = 3,123.97 × 1,269.12
  4. Step 4: Simplify right side
    2,263.85x = 3,964,683.78
  5. Step 5: Solve for x
    x = 3,964,683.78/2,263.85
  6. Step 6: Final answer
    x = 1,751.30

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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.