Home / 2,879.22-4,316.52-2,648.58

Finding the Fourth Proportional to 2,879.22, 4,316.52 and 2,648.58

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Solution

The fourth proportional to 2,879.22, 4,316.52 and 2,648.58 is: 3,970.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,879.22 : 4,316.52 = 2,648.58 : x
  2. Step 2: Convert to fraction form
    2,879.22/4,316.52 = 2,648.58/x
  3. Step 3: Cross multiply
    2,879.22x = 4,316.52 × 2,648.58
  4. Step 4: Simplify right side
    2,879.22x = 11,432,642.29
  5. Step 5: Solve for x
    x = 11,432,642.29/2,879.22
  6. Step 6: Final answer
    x = 3,970.74

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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.