Home / 2,966.40-4,094.94-1,771.80

Finding the Fourth Proportional to 2,966.40, 4,094.94 and 1,771.80

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Solution

The fourth proportional to 2,966.40, 4,094.94 and 1,771.80 is: 2,445.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,966.40 : 4,094.94 = 1,771.80 : x
  2. Step 2: Convert to fraction form
    2,966.40/4,094.94 = 1,771.80/x
  3. Step 3: Cross multiply
    2,966.40x = 4,094.94 × 1,771.80
  4. Step 4: Simplify right side
    2,966.40x = 7,255,414.69
  5. Step 5: Solve for x
    x = 7,255,414.69/2,966.40
  6. Step 6: Final answer
    x = 2,445.87

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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.