Home / 3,862.60-5,330.35-2,094.20

Finding the Fourth Proportional to 3,862.60, 5,330.35 and 2,094.20

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Solution

The fourth proportional to 3,862.60, 5,330.35 and 2,094.20 is: 2,889.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,862.60 : 5,330.35 = 2,094.20 : x
  2. Step 2: Convert to fraction form
    3,862.60/5,330.35 = 2,094.20/x
  3. Step 3: Cross multiply
    3,862.60x = 5,330.35 × 2,094.20
  4. Step 4: Simplify right side
    3,862.60x = 11,162,814.92
  5. Step 5: Solve for x
    x = 11,162,814.92/3,862.60
  6. Step 6: Final answer
    x = 2,889.98

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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.