Home / 3,808.35-5,255.34-2,392.77

Finding the Fourth Proportional to 3,808.35, 5,255.34 and 2,392.77

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Solution

The fourth proportional to 3,808.35, 5,255.34 and 2,392.77 is: 3,301.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,808.35 : 5,255.34 = 2,392.77 : x
  2. Step 2: Convert to fraction form
    3,808.35/5,255.34 = 2,392.77/x
  3. Step 3: Cross multiply
    3,808.35x = 5,255.34 × 2,392.77
  4. Step 4: Simplify right side
    3,808.35x = 12,574,819.89
  5. Step 5: Solve for x
    x = 12,574,819.89/3,808.35
  6. Step 6: Final answer
    x = 3,301.91

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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.