Home / 3,548.61-4,894.43-2,221.43

Finding the Fourth Proportional to 3,548.61, 4,894.43 and 2,221.43

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Solution

The fourth proportional to 3,548.61, 4,894.43 and 2,221.43 is: 3,063.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,548.61 : 4,894.43 = 2,221.43 : x
  2. Step 2: Convert to fraction form
    3,548.61/4,894.43 = 2,221.43/x
  3. Step 3: Cross multiply
    3,548.61x = 4,894.43 × 2,221.43
  4. Step 4: Simplify right side
    3,548.61x = 10,872,598.06
  5. Step 5: Solve for x
    x = 10,872,598.06/3,548.61
  6. Step 6: Final answer
    x = 3,063.90

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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.