Home / 1,718.22-2,373.11-1,131.37

Finding the Fourth Proportional to 1,718.22, 2,373.11 and 1,131.37

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Solution

The fourth proportional to 1,718.22, 2,373.11 and 1,131.37 is: 1,562.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,718.22 : 2,373.11 = 1,131.37 : x
  2. Step 2: Convert to fraction form
    1,718.22/2,373.11 = 1,131.37/x
  3. Step 3: Cross multiply
    1,718.22x = 2,373.11 × 1,131.37
  4. Step 4: Simplify right side
    1,718.22x = 2,684,865.46
  5. Step 5: Solve for x
    x = 2,684,865.46/1,718.22
  6. Step 6: Final answer
    x = 1,562.59

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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.