Home / 3,116.70-4,301.17-1,771.94

Finding the Fourth Proportional to 3,116.70, 4,301.17 and 1,771.94

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Solution

The fourth proportional to 3,116.70, 4,301.17 and 1,771.94 is: 2,445.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116.70 : 4,301.17 = 1,771.94 : x
  2. Step 2: Convert to fraction form
    3,116.70/4,301.17 = 1,771.94/x
  3. Step 3: Cross multiply
    3,116.70x = 4,301.17 × 1,771.94
  4. Step 4: Simplify right side
    3,116.70x = 7,621,393.66
  5. Step 5: Solve for x
    x = 7,621,393.66/3,116.70
  6. Step 6: Final answer
    x = 2,445.34

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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.