Home / 3,447.15-4,750.02-2,851.80

Finding the Fourth Proportional to 3,447.15, 4,750.02 and 2,851.80

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Solution

The fourth proportional to 3,447.15, 4,750.02 and 2,851.80 is: 3,929.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,447.15 : 4,750.02 = 2,851.80 : x
  2. Step 2: Convert to fraction form
    3,447.15/4,750.02 = 2,851.80/x
  3. Step 3: Cross multiply
    3,447.15x = 4,750.02 × 2,851.80
  4. Step 4: Simplify right side
    3,447.15x = 13,546,107.04
  5. Step 5: Solve for x
    x = 13,546,107.04/3,447.15
  6. Step 6: Final answer
    x = 3,929.65

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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.