Home / 1,332.22-1,994.20-1,135.39

Finding the Fourth Proportional to 1,332.22, 1,994.20 and 1,135.39

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Solution

The fourth proportional to 1,332.22, 1,994.20 and 1,135.39 is: 1,699.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332.22 : 1,994.20 = 1,135.39 : x
  2. Step 2: Convert to fraction form
    1,332.22/1,994.20 = 1,135.39/x
  3. Step 3: Cross multiply
    1,332.22x = 1,994.20 × 1,135.39
  4. Step 4: Simplify right side
    1,332.22x = 2,264,194.74
  5. Step 5: Solve for x
    x = 2,264,194.74/1,332.22
  6. Step 6: Final answer
    x = 1,699.57

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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.