Home / 3,531.69-4,862.61-2,999.43

Finding the Fourth Proportional to 3,531.69, 4,862.61 and 2,999.43

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Solution

The fourth proportional to 3,531.69, 4,862.61 and 2,999.43 is: 4,129.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.69 : 4,862.61 = 2,999.43 : x
  2. Step 2: Convert to fraction form
    3,531.69/4,862.61 = 2,999.43/x
  3. Step 3: Cross multiply
    3,531.69x = 4,862.61 × 2,999.43
  4. Step 4: Simplify right side
    3,531.69x = 14,585,058.31
  5. Step 5: Solve for x
    x = 14,585,058.31/3,531.69
  6. Step 6: Final answer
    x = 4,129.77

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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.