Home / 1,151.26-1,586.92-1,055.92

Finding the Fourth Proportional to 1,151.26, 1,586.92 and 1,055.92

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Solution

The fourth proportional to 1,151.26, 1,586.92 and 1,055.92 is: 1,455.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151.26 : 1,586.92 = 1,055.92 : x
  2. Step 2: Convert to fraction form
    1,151.26/1,586.92 = 1,055.92/x
  3. Step 3: Cross multiply
    1,151.26x = 1,586.92 × 1,055.92
  4. Step 4: Simplify right side
    1,151.26x = 1,675,660.57
  5. Step 5: Solve for x
    x = 1,675,660.57/1,151.26
  6. Step 6: Final answer
    x = 1,455.50

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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.