Home / 3,543.90-4,892.31-2,218.34

Finding the Fourth Proportional to 3,543.90, 4,892.31 and 2,218.34

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Solution

The fourth proportional to 3,543.90, 4,892.31 and 2,218.34 is: 3,062.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,543.90 : 4,892.31 = 2,218.34 : x
  2. Step 2: Convert to fraction form
    3,543.90/4,892.31 = 2,218.34/x
  3. Step 3: Cross multiply
    3,543.90x = 4,892.31 × 2,218.34
  4. Step 4: Simplify right side
    3,543.90x = 10,852,782.50
  5. Step 5: Solve for x
    x = 10,852,782.50/3,543.90
  6. Step 6: Final answer
    x = 3,062.38

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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.