Home / 3,575.49-4,933.54-2,158.80

Finding the Fourth Proportional to 3,575.49, 4,933.54 and 2,158.80

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Solution

The fourth proportional to 3,575.49, 4,933.54 and 2,158.80 is: 2,978.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,575.49 : 4,933.54 = 2,158.80 : x
  2. Step 2: Convert to fraction form
    3,575.49/4,933.54 = 2,158.80/x
  3. Step 3: Cross multiply
    3,575.49x = 4,933.54 × 2,158.80
  4. Step 4: Simplify right side
    3,575.49x = 10,650,526.15
  5. Step 5: Solve for x
    x = 10,650,526.15/3,575.49
  6. Step 6: Final answer
    x = 2,978.76

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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.