Home / 1,711.19-2,360.61-1,151.79

Finding the Fourth Proportional to 1,711.19, 2,360.61 and 1,151.79

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Solution

The fourth proportional to 1,711.19, 2,360.61 and 1,151.79 is: 1,588.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,711.19 : 2,360.61 = 1,151.79 : x
  2. Step 2: Convert to fraction form
    1,711.19/2,360.61 = 1,151.79/x
  3. Step 3: Cross multiply
    1,711.19x = 2,360.61 × 1,151.79
  4. Step 4: Simplify right side
    1,711.19x = 2,718,926.99
  5. Step 5: Solve for x
    x = 2,718,926.99/1,711.19
  6. Step 6: Final answer
    x = 1,588.91

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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.