Home / 3,381.90-5,076.50-2,840.01

Finding the Fourth Proportional to 3,381.90, 5,076.50 and 2,840.01

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Solution

The fourth proportional to 3,381.90, 5,076.50 and 2,840.01 is: 4,263.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381.90 : 5,076.50 = 2,840.01 : x
  2. Step 2: Convert to fraction form
    3,381.90/5,076.50 = 2,840.01/x
  3. Step 3: Cross multiply
    3,381.90x = 5,076.50 × 2,840.01
  4. Step 4: Simplify right side
    3,381.90x = 14,417,310.77
  5. Step 5: Solve for x
    x = 14,417,310.77/3,381.90
  6. Step 6: Final answer
    x = 4,263.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.