Home / 1,268.08-1,750.30-849.04

Finding the Fourth Proportional to 1,268.08, 1,750.30 and 849.04

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Solution

The fourth proportional to 1,268.08, 1,750.30 and 849.04 is: 1,171.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268.08 : 1,750.30 = 849.04 : x
  2. Step 2: Convert to fraction form
    1,268.08/1,750.30 = 849.04/x
  3. Step 3: Cross multiply
    1,268.08x = 1,750.30 × 849.04
  4. Step 4: Simplify right side
    1,268.08x = 1,486,074.71
  5. Step 5: Solve for x
    x = 1,486,074.71/1,268.08
  6. Step 6: Final answer
    x = 1,171.91

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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.