Home / 3,848.40-5,310.50-2,519.80

Finding the Fourth Proportional to 3,848.40, 5,310.50 and 2,519.80

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Solution

The fourth proportional to 3,848.40, 5,310.50 and 2,519.80 is: 3,477.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,848.40 : 5,310.50 = 2,519.80 : x
  2. Step 2: Convert to fraction form
    3,848.40/5,310.50 = 2,519.80/x
  3. Step 3: Cross multiply
    3,848.40x = 5,310.50 × 2,519.80
  4. Step 4: Simplify right side
    3,848.40x = 13,381,381.47
  5. Step 5: Solve for x
    x = 13,381,381.47/3,848.40
  6. Step 6: Final answer
    x = 3,477.13

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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.