Home / 4,134.40-5,698.80-3,248.80

Finding the Fourth Proportional to 4,134.40, 5,698.80 and 3,248.80

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Solution

The fourth proportional to 4,134.40, 5,698.80 and 3,248.80 is: 4,478.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,134.40 : 5,698.80 = 3,248.80 : x
  2. Step 2: Convert to fraction form
    4,134.40/5,698.80 = 3,248.80/x
  3. Step 3: Cross multiply
    4,134.40x = 5,698.80 × 3,248.80
  4. Step 4: Simplify right side
    4,134.40x = 18,514,261.44
  5. Step 5: Solve for x
    x = 18,514,261.44/4,134.40
  6. Step 6: Final answer
    x = 4,478.10

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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.