Home / 1,604.08-2,403.68-1,191.29

Finding the Fourth Proportional to 1,604.08, 2,403.68 and 1,191.29

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Solution

The fourth proportional to 1,604.08, 2,403.68 and 1,191.29 is: 1,785.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,604.08 : 2,403.68 = 1,191.29 : x
  2. Step 2: Convert to fraction form
    1,604.08/2,403.68 = 1,191.29/x
  3. Step 3: Cross multiply
    1,604.08x = 2,403.68 × 1,191.29
  4. Step 4: Simplify right side
    1,604.08x = 2,863,479.95
  5. Step 5: Solve for x
    x = 2,863,479.95/1,604.08
  6. Step 6: Final answer
    x = 1,785.12

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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.