Home / 1,352.18-2,026.11-1,222.58

Finding the Fourth Proportional to 1,352.18, 2,026.11 and 1,222.58

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Solution

The fourth proportional to 1,352.18, 2,026.11 and 1,222.58 is: 1,831.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,352.18 : 2,026.11 = 1,222.58 : x
  2. Step 2: Convert to fraction form
    1,352.18/2,026.11 = 1,222.58/x
  3. Step 3: Cross multiply
    1,352.18x = 2,026.11 × 1,222.58
  4. Step 4: Simplify right side
    1,352.18x = 2,477,081.56
  5. Step 5: Solve for x
    x = 2,477,081.56/1,352.18
  6. Step 6: Final answer
    x = 1,831.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.