Home / 3,389.80-4,676.16-2,393.50

Finding the Fourth Proportional to 3,389.80, 4,676.16 and 2,393.50

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Solution

The fourth proportional to 3,389.80, 4,676.16 and 2,393.50 is: 3,301.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,389.80 : 4,676.16 = 2,393.50 : x
  2. Step 2: Convert to fraction form
    3,389.80/4,676.16 = 2,393.50/x
  3. Step 3: Cross multiply
    3,389.80x = 4,676.16 × 2,393.50
  4. Step 4: Simplify right side
    3,389.80x = 11,192,388.96
  5. Step 5: Solve for x
    x = 11,192,388.96/3,389.80
  6. Step 6: Final answer
    x = 3,301.78

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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.