Home / 2,352.24-3,528.36-686.52

Finding the Fourth Proportional to 2,352.24, 3,528.36 and 686.52

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Solution

The fourth proportional to 2,352.24, 3,528.36 and 686.52 is: 1,029.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,352.24 : 3,528.36 = 686.52 : x
  2. Step 2: Convert to fraction form
    2,352.24/3,528.36 = 686.52/x
  3. Step 3: Cross multiply
    2,352.24x = 3,528.36 × 686.52
  4. Step 4: Simplify right side
    2,352.24x = 2,422,289.71
  5. Step 5: Solve for x
    x = 2,422,289.71/2,352.24
  6. Step 6: Final answer
    x = 1,029.78

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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.