Home / 3,116.18-4,299.93-1,771.76

Finding the Fourth Proportional to 3,116.18, 4,299.93 and 1,771.76

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Solution

The fourth proportional to 3,116.18, 4,299.93 and 1,771.76 is: 2,444.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116.18 : 4,299.93 = 1,771.76 : x
  2. Step 2: Convert to fraction form
    3,116.18/4,299.93 = 1,771.76/x
  3. Step 3: Cross multiply
    3,116.18x = 4,299.93 × 1,771.76
  4. Step 4: Simplify right side
    3,116.18x = 7,618,422.48
  5. Step 5: Solve for x
    x = 7,618,422.48/3,116.18
  6. Step 6: Final answer
    x = 2,444.80

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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.