Home / 1,711.67-2,361.19-1,151.18

Finding the Fourth Proportional to 1,711.67, 2,361.19 and 1,151.18

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Solution

The fourth proportional to 1,711.67, 2,361.19 and 1,151.18 is: 1,588.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,711.67 : 2,361.19 = 1,151.18 : x
  2. Step 2: Convert to fraction form
    1,711.67/2,361.19 = 1,151.18/x
  3. Step 3: Cross multiply
    1,711.67x = 2,361.19 × 1,151.18
  4. Step 4: Simplify right side
    1,711.67x = 2,718,154.70
  5. Step 5: Solve for x
    x = 2,718,154.70/1,711.67
  6. Step 6: Final answer
    x = 1,588.01

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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.