Home / 3,451.54-4,763.14-2,124.90

Finding the Fourth Proportional to 3,451.54, 4,763.14 and 2,124.90

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Solution

The fourth proportional to 3,451.54, 4,763.14 and 2,124.90 is: 2,932.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,451.54 : 4,763.14 = 2,124.90 : x
  2. Step 2: Convert to fraction form
    3,451.54/4,763.14 = 2,124.90/x
  3. Step 3: Cross multiply
    3,451.54x = 4,763.14 × 2,124.90
  4. Step 4: Simplify right side
    3,451.54x = 10,121,196.19
  5. Step 5: Solve for x
    x = 10,121,196.19/3,451.54
  6. Step 6: Final answer
    x = 2,932.37

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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.