Home / 2,920.13-4,397.33-2,104.06

Finding the Fourth Proportional to 2,920.13, 4,397.33 and 2,104.06

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Solution

The fourth proportional to 2,920.13, 4,397.33 and 2,104.06 is: 3,168.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920.13 : 4,397.33 = 2,104.06 : x
  2. Step 2: Convert to fraction form
    2,920.13/4,397.33 = 2,104.06/x
  3. Step 3: Cross multiply
    2,920.13x = 4,397.33 × 2,104.06
  4. Step 4: Simplify right side
    2,920.13x = 9,252,224.65
  5. Step 5: Solve for x
    x = 9,252,224.65/2,920.13
  6. Step 6: Final answer
    x = 3,168.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.