Home / 3,099.20-4,277.24-1,840.56

Finding the Fourth Proportional to 3,099.20, 4,277.24 and 1,840.56

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Solution

The fourth proportional to 3,099.20, 4,277.24 and 1,840.56 is: 2,540.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,099.20 : 4,277.24 = 1,840.56 : x
  2. Step 2: Convert to fraction form
    3,099.20/4,277.24 = 1,840.56/x
  3. Step 3: Cross multiply
    3,099.20x = 4,277.24 × 1,840.56
  4. Step 4: Simplify right side
    3,099.20x = 7,872,498.51
  5. Step 5: Solve for x
    x = 7,872,498.51/3,099.20
  6. Step 6: Final answer
    x = 2,540.18

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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.