Home / 2,899.96-4,001.92-1,641.26

Finding the Fourth Proportional to 2,899.96, 4,001.92 and 1,641.26

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Solution

The fourth proportional to 2,899.96, 4,001.92 and 1,641.26 is: 2,264.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,899.96 : 4,001.92 = 1,641.26 : x
  2. Step 2: Convert to fraction form
    2,899.96/4,001.92 = 1,641.26/x
  3. Step 3: Cross multiply
    2,899.96x = 4,001.92 × 1,641.26
  4. Step 4: Simplify right side
    2,899.96x = 6,568,191.22
  5. Step 5: Solve for x
    x = 6,568,191.22/2,899.96
  6. Step 6: Final answer
    x = 2,264.92

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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.