Home / 3,809.57-5,255.55-2,392.29

Finding the Fourth Proportional to 3,809.57, 5,255.55 and 2,392.29

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Solution

The fourth proportional to 3,809.57, 5,255.55 and 2,392.29 is: 3,300.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,809.57 : 5,255.55 = 2,392.29 : x
  2. Step 2: Convert to fraction form
    3,809.57/5,255.55 = 2,392.29/x
  3. Step 3: Cross multiply
    3,809.57x = 5,255.55 × 2,392.29
  4. Step 4: Simplify right side
    3,809.57x = 12,572,799.71
  5. Step 5: Solve for x
    x = 12,572,799.71/3,809.57
  6. Step 6: Final answer
    x = 3,300.32

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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.