Home / 2,236.67-3,354.57-1,125.79

Finding the Fourth Proportional to 2,236.67, 3,354.57 and 1,125.79

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Solution

The fourth proportional to 2,236.67, 3,354.57 and 1,125.79 is: 1,688.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,236.67 : 3,354.57 = 1,125.79 : x
  2. Step 2: Convert to fraction form
    2,236.67/3,354.57 = 1,125.79/x
  3. Step 3: Cross multiply
    2,236.67x = 3,354.57 × 1,125.79
  4. Step 4: Simplify right side
    2,236.67x = 3,776,541.36
  5. Step 5: Solve for x
    x = 3,776,541.36/2,236.67
  6. Step 6: Final answer
    x = 1,688.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.