Home / 1,151.07-1,587.38-1,027.95

Finding the Fourth Proportional to 1,151.07, 1,587.38 and 1,027.95

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Solution

The fourth proportional to 1,151.07, 1,587.38 and 1,027.95 is: 1,417.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151.07 : 1,587.38 = 1,027.95 : x
  2. Step 2: Convert to fraction form
    1,151.07/1,587.38 = 1,027.95/x
  3. Step 3: Cross multiply
    1,151.07x = 1,587.38 × 1,027.95
  4. Step 4: Simplify right side
    1,151.07x = 1,631,742.13
  5. Step 5: Solve for x
    x = 1,631,742.13/1,151.07
  6. Step 6: Final answer
    x = 1,417.59

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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.