Home / 3,292.68-4,543.91-1,876.31

Finding the Fourth Proportional to 3,292.68, 4,543.91 and 1,876.31

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Solution

The fourth proportional to 3,292.68, 4,543.91 and 1,876.31 is: 2,589.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,292.68 : 4,543.91 = 1,876.31 : x
  2. Step 2: Convert to fraction form
    3,292.68/4,543.91 = 1,876.31/x
  3. Step 3: Cross multiply
    3,292.68x = 4,543.91 × 1,876.31
  4. Step 4: Simplify right side
    3,292.68x = 8,525,751.67
  5. Step 5: Solve for x
    x = 8,525,751.67/3,292.68
  6. Step 6: Final answer
    x = 2,589.30

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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.