Home / 1,362.10-2,042.37-1,246

Finding the Fourth Proportional to 1,362.10, 2,042.37 and 1,246

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Solution

The fourth proportional to 1,362.10, 2,042.37 and 1,246 is: 1,868.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362.10 : 2,042.37 = 1,246 : x
  2. Step 2: Convert to fraction form
    1,362.10/2,042.37 = 1,246/x
  3. Step 3: Cross multiply
    1,362.10x = 2,042.37 × 1,246
  4. Step 4: Simplify right side
    1,362.10x = 2,544,793.02
  5. Step 5: Solve for x
    x = 2,544,793.02/1,362.10
  6. Step 6: Final answer
    x = 1,868.29

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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.