Home / 3,425.44-5,139.98-1,477.18

Finding the Fourth Proportional to 3,425.44, 5,139.98 and 1,477.18

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Solution

The fourth proportional to 3,425.44, 5,139.98 and 1,477.18 is: 2,216.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,425.44 : 5,139.98 = 1,477.18 : x
  2. Step 2: Convert to fraction form
    3,425.44/5,139.98 = 1,477.18/x
  3. Step 3: Cross multiply
    3,425.44x = 5,139.98 × 1,477.18
  4. Step 4: Simplify right side
    3,425.44x = 7,592,675.66
  5. Step 5: Solve for x
    x = 7,592,675.66/3,425.44
  6. Step 6: Final answer
    x = 2,216.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.