Home / 2,236.95-3,086.28-1,352.70

Finding the Fourth Proportional to 2,236.95, 3,086.28 and 1,352.70

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Solution

The fourth proportional to 2,236.95, 3,086.28 and 1,352.70 is: 1,866.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,236.95 : 3,086.28 = 1,352.70 : x
  2. Step 2: Convert to fraction form
    2,236.95/3,086.28 = 1,352.70/x
  3. Step 3: Cross multiply
    2,236.95x = 3,086.28 × 1,352.70
  4. Step 4: Simplify right side
    2,236.95x = 4,174,810.96
  5. Step 5: Solve for x
    x = 4,174,810.96/2,236.95
  6. Step 6: Final answer
    x = 1,866.30

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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.