Home / 3,120.48-4,306.23-1,794.15

Finding the Fourth Proportional to 3,120.48, 4,306.23 and 1,794.15

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Solution

The fourth proportional to 3,120.48, 4,306.23 and 1,794.15 is: 2,475.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120.48 : 4,306.23 = 1,794.15 : x
  2. Step 2: Convert to fraction form
    3,120.48/4,306.23 = 1,794.15/x
  3. Step 3: Cross multiply
    3,120.48x = 4,306.23 × 1,794.15
  4. Step 4: Simplify right side
    3,120.48x = 7,726,022.55
  5. Step 5: Solve for x
    x = 7,726,022.55/3,120.48
  6. Step 6: Final answer
    x = 2,475.91

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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.