Home / 2,899.74-4,002.12-1,641.36

Finding the Fourth Proportional to 2,899.74, 4,002.12 and 1,641.36

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Solution

The fourth proportional to 2,899.74, 4,002.12 and 1,641.36 is: 2,265.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,899.74 : 4,002.12 = 1,641.36 : x
  2. Step 2: Convert to fraction form
    2,899.74/4,002.12 = 1,641.36/x
  3. Step 3: Cross multiply
    2,899.74x = 4,002.12 × 1,641.36
  4. Step 4: Simplify right side
    2,899.74x = 6,568,919.68
  5. Step 5: Solve for x
    x = 6,568,919.68/2,899.74
  6. Step 6: Final answer
    x = 2,265.35

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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.