Home / 3,447.20-4,757.22-1,955.22

Finding the Fourth Proportional to 3,447.20, 4,757.22 and 1,955.22

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Solution

The fourth proportional to 3,447.20, 4,757.22 and 1,955.22 is: 2,698.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,447.20 : 4,757.22 = 1,955.22 : x
  2. Step 2: Convert to fraction form
    3,447.20/4,757.22 = 1,955.22/x
  3. Step 3: Cross multiply
    3,447.20x = 4,757.22 × 1,955.22
  4. Step 4: Simplify right side
    3,447.20x = 9,301,386.52
  5. Step 5: Solve for x
    x = 9,301,386.52/3,447.20
  6. Step 6: Final answer
    x = 2,698.24

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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.