Home / 3,555.08-5,332.46-1,215.29

Finding the Fourth Proportional to 3,555.08, 5,332.46 and 1,215.29

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Solution

The fourth proportional to 3,555.08, 5,332.46 and 1,215.29 is: 1,822.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.08 : 5,332.46 = 1,215.29 : x
  2. Step 2: Convert to fraction form
    3,555.08/5,332.46 = 1,215.29/x
  3. Step 3: Cross multiply
    3,555.08x = 5,332.46 × 1,215.29
  4. Step 4: Simplify right side
    3,555.08x = 6,480,452.57
  5. Step 5: Solve for x
    x = 6,480,452.57/3,555.08
  6. Step 6: Final answer
    x = 1,822.87

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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.