Home / 3,862.90-5,330.80-2,094.50

Finding the Fourth Proportional to 3,862.90, 5,330.80 and 2,094.50

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Solution

The fourth proportional to 3,862.90, 5,330.80 and 2,094.50 is: 2,890.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,862.90 : 5,330.80 = 2,094.50 : x
  2. Step 2: Convert to fraction form
    3,862.90/5,330.80 = 2,094.50/x
  3. Step 3: Cross multiply
    3,862.90x = 5,330.80 × 2,094.50
  4. Step 4: Simplify right side
    3,862.90x = 11,165,360.60
  5. Step 5: Solve for x
    x = 11,165,360.60/3,862.90
  6. Step 6: Final answer
    x = 2,890.41

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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.