Home / 3,381.27-5,067.04-1,430.79

Finding the Fourth Proportional to 3,381.27, 5,067.04 and 1,430.79

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Solution

The fourth proportional to 3,381.27, 5,067.04 and 1,430.79 is: 2,144.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381.27 : 5,067.04 = 1,430.79 : x
  2. Step 2: Convert to fraction form
    3,381.27/5,067.04 = 1,430.79/x
  3. Step 3: Cross multiply
    3,381.27x = 5,067.04 × 1,430.79
  4. Step 4: Simplify right side
    3,381.27x = 7,249,870.16
  5. Step 5: Solve for x
    x = 7,249,870.16/3,381.27
  6. Step 6: Final answer
    x = 2,144.13

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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.