Home / 3,369.96-5,055.48-1,422.45

Finding the Fourth Proportional to 3,369.96, 5,055.48 and 1,422.45

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Solution

The fourth proportional to 3,369.96, 5,055.48 and 1,422.45 is: 2,133.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,369.96 : 5,055.48 = 1,422.45 : x
  2. Step 2: Convert to fraction form
    3,369.96/5,055.48 = 1,422.45/x
  3. Step 3: Cross multiply
    3,369.96x = 5,055.48 × 1,422.45
  4. Step 4: Simplify right side
    3,369.96x = 7,191,167.53
  5. Step 5: Solve for x
    x = 7,191,167.53/3,369.96
  6. Step 6: Final answer
    x = 2,133.90

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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.