Home / 2,269.20-3,406.50-1,656.48

Finding the Fourth Proportional to 2,269.20, 3,406.50 and 1,656.48

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Solution

The fourth proportional to 2,269.20, 3,406.50 and 1,656.48 is: 2,486.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,269.20 : 3,406.50 = 1,656.48 : x
  2. Step 2: Convert to fraction form
    2,269.20/3,406.50 = 1,656.48/x
  3. Step 3: Cross multiply
    2,269.20x = 3,406.50 × 1,656.48
  4. Step 4: Simplify right side
    2,269.20x = 5,642,799.12
  5. Step 5: Solve for x
    x = 5,642,799.12/2,269.20
  6. Step 6: Final answer
    x = 2,486.69

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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.