Home / 2,509.80-3,764.70-2,403.15

Finding the Fourth Proportional to 2,509.80, 3,764.70 and 2,403.15

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Solution

The fourth proportional to 2,509.80, 3,764.70 and 2,403.15 is: 3,604.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,509.80 : 3,764.70 = 2,403.15 : x
  2. Step 2: Convert to fraction form
    2,509.80/3,764.70 = 2,403.15/x
  3. Step 3: Cross multiply
    2,509.80x = 3,764.70 × 2,403.15
  4. Step 4: Simplify right side
    2,509.80x = 9,047,138.81
  5. Step 5: Solve for x
    x = 9,047,138.81/2,509.80
  6. Step 6: Final answer
    x = 3,604.73

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Similar ratio
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1.5x scale

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.