Home / 3,862.85-5,330.74-2,094.45

Finding the Fourth Proportional to 3,862.85, 5,330.74 and 2,094.45

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Solution

The fourth proportional to 3,862.85, 5,330.74 and 2,094.45 is: 2,890.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,862.85 : 5,330.74 = 2,094.45 : x
  2. Step 2: Convert to fraction form
    3,862.85/5,330.74 = 2,094.45/x
  3. Step 3: Cross multiply
    3,862.85x = 5,330.74 × 2,094.45
  4. Step 4: Simplify right side
    3,862.85x = 11,164,967.44
  5. Step 5: Solve for x
    x = 11,164,967.44/3,862.85
  6. Step 6: Final answer
    x = 2,890.35

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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.