Home / 3,575.54-4,941.02-2,689.80

Finding the Fourth Proportional to 3,575.54, 4,941.02 and 2,689.80

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Solution

The fourth proportional to 3,575.54, 4,941.02 and 2,689.80 is: 3,717.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,575.54 : 4,941.02 = 2,689.80 : x
  2. Step 2: Convert to fraction form
    3,575.54/4,941.02 = 2,689.80/x
  3. Step 3: Cross multiply
    3,575.54x = 4,941.02 × 2,689.80
  4. Step 4: Simplify right side
    3,575.54x = 13,290,355.60
  5. Step 5: Solve for x
    x = 13,290,355.60/3,575.54
  6. Step 6: Final answer
    x = 3,717.02

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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.