Home / 2,403.32-3,604.98-1,105.70

Finding the Fourth Proportional to 2,403.32, 3,604.98 and 1,105.70

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Solution

The fourth proportional to 2,403.32, 3,604.98 and 1,105.70 is: 1,658.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,403.32 : 3,604.98 = 1,105.70 : x
  2. Step 2: Convert to fraction form
    2,403.32/3,604.98 = 1,105.70/x
  3. Step 3: Cross multiply
    2,403.32x = 3,604.98 × 1,105.70
  4. Step 4: Simplify right side
    2,403.32x = 3,986,026.39
  5. Step 5: Solve for x
    x = 3,986,026.39/2,403.32
  6. Step 6: Final answer
    x = 1,658.55

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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.