Home / 2,292.79-3,439.32-2,020.75

Finding the Fourth Proportional to 2,292.79, 3,439.32 and 2,020.75

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Solution

The fourth proportional to 2,292.79, 3,439.32 and 2,020.75 is: 3,031.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,292.79 : 3,439.32 = 2,020.75 : x
  2. Step 2: Convert to fraction form
    2,292.79/3,439.32 = 2,020.75/x
  3. Step 3: Cross multiply
    2,292.79x = 3,439.32 × 2,020.75
  4. Step 4: Simplify right side
    2,292.79x = 6,950,005.89
  5. Step 5: Solve for x
    x = 6,950,005.89/2,292.79
  6. Step 6: Final answer
    x = 3,031.24

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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.