Home / 2,200.88-3,036.36-1,269.20

Finding the Fourth Proportional to 2,200.88, 3,036.36 and 1,269.20

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Solution

The fourth proportional to 2,200.88, 3,036.36 and 1,269.20 is: 1,751.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,200.88 : 3,036.36 = 1,269.20 : x
  2. Step 2: Convert to fraction form
    2,200.88/3,036.36 = 1,269.20/x
  3. Step 3: Cross multiply
    2,200.88x = 3,036.36 × 1,269.20
  4. Step 4: Simplify right side
    2,200.88x = 3,853,748.11
  5. Step 5: Solve for x
    x = 3,853,748.11/2,200.88
  6. Step 6: Final answer
    x = 1,751.00

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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.