Home / 3,447.72-4,758.08-1,955.12

Finding the Fourth Proportional to 3,447.72, 4,758.08 and 1,955.12

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Solution

The fourth proportional to 3,447.72, 4,758.08 and 1,955.12 is: 2,698.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,447.72 : 4,758.08 = 1,955.12 : x
  2. Step 2: Convert to fraction form
    3,447.72/4,758.08 = 1,955.12/x
  3. Step 3: Cross multiply
    3,447.72x = 4,758.08 × 1,955.12
  4. Step 4: Simplify right side
    3,447.72x = 9,302,617.37
  5. Step 5: Solve for x
    x = 9,302,617.37/3,447.72
  6. Step 6: Final answer
    x = 2,698.19

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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.