Home / 2,053.88-2,834.36-1,122.38

Finding the Fourth Proportional to 2,053.88, 2,834.36 and 1,122.38

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Solution

The fourth proportional to 2,053.88, 2,834.36 and 1,122.38 is: 1,548.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,053.88 : 2,834.36 = 1,122.38 : x
  2. Step 2: Convert to fraction form
    2,053.88/2,834.36 = 1,122.38/x
  3. Step 3: Cross multiply
    2,053.88x = 2,834.36 × 1,122.38
  4. Step 4: Simplify right side
    2,053.88x = 3,181,209.19
  5. Step 5: Solve for x
    x = 3,181,209.19/2,053.88
  6. Step 6: Final answer
    x = 1,548.88

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Double scale
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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.