Home / 3,946.24-5,446.08-2,290.24

Finding the Fourth Proportional to 3,946.24, 5,446.08 and 2,290.24

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Solution

The fourth proportional to 3,946.24, 5,446.08 and 2,290.24 is: 3,160.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,946.24 : 5,446.08 = 2,290.24 : x
  2. Step 2: Convert to fraction form
    3,946.24/5,446.08 = 2,290.24/x
  3. Step 3: Cross multiply
    3,946.24x = 5,446.08 × 2,290.24
  4. Step 4: Simplify right side
    3,946.24x = 12,472,830.26
  5. Step 5: Solve for x
    x = 12,472,830.26/3,946.24
  6. Step 6: Final answer
    x = 3,160.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.