Home / 3,862.80-5,330.69-2,094.42

Finding the Fourth Proportional to 3,862.80, 5,330.69 and 2,094.42

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Solution

The fourth proportional to 3,862.80, 5,330.69 and 2,094.42 is: 2,890.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,862.80 : 5,330.69 = 2,094.42 : x
  2. Step 2: Convert to fraction form
    3,862.80/5,330.69 = 2,094.42/x
  3. Step 3: Cross multiply
    3,862.80x = 5,330.69 × 2,094.42
  4. Step 4: Simplify right side
    3,862.80x = 11,164,703.75
  5. Step 5: Solve for x
    x = 11,164,703.75/3,862.80
  6. Step 6: Final answer
    x = 2,890.31

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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.