Home / 3,525.12-5,288.32-1,217.28

Finding the Fourth Proportional to 3,525.12, 5,288.32 and 1,217.28

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Solution

The fourth proportional to 3,525.12, 5,288.32 and 1,217.28 is: 1,826.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,525.12 : 5,288.32 = 1,217.28 : x
  2. Step 2: Convert to fraction form
    3,525.12/5,288.32 = 1,217.28/x
  3. Step 3: Cross multiply
    3,525.12x = 5,288.32 × 1,217.28
  4. Step 4: Simplify right side
    3,525.12x = 6,437,366.17
  5. Step 5: Solve for x
    x = 6,437,366.17/3,525.12
  6. Step 6: Final answer
    x = 1,826.14

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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.