Home / 2,549.60-3,518.68-1,605.52

Finding the Fourth Proportional to 2,549.60, 3,518.68 and 1,605.52

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Solution

The fourth proportional to 2,549.60, 3,518.68 and 1,605.52 is: 2,215.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,549.60 : 3,518.68 = 1,605.52 : x
  2. Step 2: Convert to fraction form
    2,549.60/3,518.68 = 1,605.52/x
  3. Step 3: Cross multiply
    2,549.60x = 3,518.68 × 1,605.52
  4. Step 4: Simplify right side
    2,549.60x = 5,649,311.11
  5. Step 5: Solve for x
    x = 5,649,311.11/2,549.60
  6. Step 6: Final answer
    x = 2,215.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.