Home / 3,099.20-4,642.92-1,925.51

Finding the Fourth Proportional to 3,099.20, 4,642.92 and 1,925.51

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Solution

The fourth proportional to 3,099.20, 4,642.92 and 1,925.51 is: 2,884.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,099.20 : 4,642.92 = 1,925.51 : x
  2. Step 2: Convert to fraction form
    3,099.20/4,642.92 = 1,925.51/x
  3. Step 3: Cross multiply
    3,099.20x = 4,642.92 × 1,925.51
  4. Step 4: Simplify right side
    3,099.20x = 8,939,965.67
  5. Step 5: Solve for x
    x = 8,939,965.67/3,099.20
  6. Step 6: Final answer
    x = 2,884.61

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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.