Home / 3,509.80-5,269.98-2,340.52

Finding the Fourth Proportional to 3,509.80, 5,269.98 and 2,340.52

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Solution

The fourth proportional to 3,509.80, 5,269.98 and 2,340.52 is: 3,514.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,509.80 : 5,269.98 = 2,340.52 : x
  2. Step 2: Convert to fraction form
    3,509.80/5,269.98 = 2,340.52/x
  3. Step 3: Cross multiply
    3,509.80x = 5,269.98 × 2,340.52
  4. Step 4: Simplify right side
    3,509.80x = 12,334,493.59
  5. Step 5: Solve for x
    x = 12,334,493.59/3,509.80
  6. Step 6: Final answer
    x = 3,514.30

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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.