Home / 2,200.13-3,036.13-1,255.91

Finding the Fourth Proportional to 2,200.13, 3,036.13 and 1,255.91

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Solution

The fourth proportional to 2,200.13, 3,036.13 and 1,255.91 is: 1,733.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,200.13 : 3,036.13 = 1,255.91 : x
  2. Step 2: Convert to fraction form
    2,200.13/3,036.13 = 1,255.91/x
  3. Step 3: Cross multiply
    2,200.13x = 3,036.13 × 1,255.91
  4. Step 4: Simplify right side
    2,200.13x = 3,813,106.03
  5. Step 5: Solve for x
    x = 3,813,106.03/2,200.13
  6. Step 6: Final answer
    x = 1,733.13

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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.