Home / 2,200.13-3,036.20-1,268.63

Finding the Fourth Proportional to 2,200.13, 3,036.20 and 1,268.63

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Solution

The fourth proportional to 2,200.13, 3,036.20 and 1,268.63 is: 1,750.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,200.13 : 3,036.20 = 1,268.63 : x
  2. Step 2: Convert to fraction form
    2,200.13/3,036.20 = 1,268.63/x
  3. Step 3: Cross multiply
    2,200.13x = 3,036.20 × 1,268.63
  4. Step 4: Simplify right side
    2,200.13x = 3,851,814.41
  5. Step 5: Solve for x
    x = 3,851,814.41/2,200.13
  6. Step 6: Final answer
    x = 1,750.72

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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.