Home / 3,451.30-4,762.86-1,879.39

Finding the Fourth Proportional to 3,451.30, 4,762.86 and 1,879.39

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Solution

The fourth proportional to 3,451.30, 4,762.86 and 1,879.39 is: 2,593.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,451.30 : 4,762.86 = 1,879.39 : x
  2. Step 2: Convert to fraction form
    3,451.30/4,762.86 = 1,879.39/x
  3. Step 3: Cross multiply
    3,451.30x = 4,762.86 × 1,879.39
  4. Step 4: Simplify right side
    3,451.30x = 8,951,271.46
  5. Step 5: Solve for x
    x = 8,951,271.46/3,451.30
  6. Step 6: Final answer
    x = 2,593.59

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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.