Home / 1,769.22-2,442.28-1,105.93

Finding the Fourth Proportional to 1,769.22, 2,442.28 and 1,105.93

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Solution

The fourth proportional to 1,769.22, 2,442.28 and 1,105.93 is: 1,526.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,769.22 : 2,442.28 = 1,105.93 : x
  2. Step 2: Convert to fraction form
    1,769.22/2,442.28 = 1,105.93/x
  3. Step 3: Cross multiply
    1,769.22x = 2,442.28 × 1,105.93
  4. Step 4: Simplify right side
    1,769.22x = 2,700,981.85
  5. Step 5: Solve for x
    x = 2,700,981.85/1,769.22
  6. Step 6: Final answer
    x = 1,526.65

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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.