Home / 3,431.36-4,731.52-2,548.80

Finding the Fourth Proportional to 3,431.36, 4,731.52 and 2,548.80

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Solution

The fourth proportional to 3,431.36, 4,731.52 and 2,548.80 is: 3,514.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,431.36 : 4,731.52 = 2,548.80 : x
  2. Step 2: Convert to fraction form
    3,431.36/4,731.52 = 2,548.80/x
  3. Step 3: Cross multiply
    3,431.36x = 4,731.52 × 2,548.80
  4. Step 4: Simplify right side
    3,431.36x = 12,059,698.18
  5. Step 5: Solve for x
    x = 12,059,698.18/3,431.36
  6. Step 6: Final answer
    x = 3,514.55

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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.