Home / 3,003.60-4,501.80-1,540.56

Finding the Fourth Proportional to 3,003.60, 4,501.80 and 1,540.56

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Solution

The fourth proportional to 3,003.60, 4,501.80 and 1,540.56 is: 2,308.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,003.60 : 4,501.80 = 1,540.56 : x
  2. Step 2: Convert to fraction form
    3,003.60/4,501.80 = 1,540.56/x
  3. Step 3: Cross multiply
    3,003.60x = 4,501.80 × 1,540.56
  4. Step 4: Simplify right side
    3,003.60x = 6,935,293.01
  5. Step 5: Solve for x
    x = 6,935,293.01/3,003.60
  6. Step 6: Final answer
    x = 2,308.99

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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.