Home / 3,369.89-5,055.84-1,520.48

Finding the Fourth Proportional to 3,369.89, 5,055.84 and 1,520.48

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Solution

The fourth proportional to 3,369.89, 5,055.84 and 1,520.48 is: 2,281.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,369.89 : 5,055.84 = 1,520.48 : x
  2. Step 2: Convert to fraction form
    3,369.89/5,055.84 = 1,520.48/x
  3. Step 3: Cross multiply
    3,369.89x = 5,055.84 × 1,520.48
  4. Step 4: Simplify right side
    3,369.89x = 7,687,278.32
  5. Step 5: Solve for x
    x = 7,687,278.32/3,369.89
  6. Step 6: Final answer
    x = 2,281.17

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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.