Home / 1,493.10-2,236.41-1,298.70

Finding the Fourth Proportional to 1,493.10, 2,236.41 and 1,298.70

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Solution

The fourth proportional to 1,493.10, 2,236.41 and 1,298.70 is: 1,945.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,493.10 : 2,236.41 = 1,298.70 : x
  2. Step 2: Convert to fraction form
    1,493.10/2,236.41 = 1,298.70/x
  3. Step 3: Cross multiply
    1,493.10x = 2,236.41 × 1,298.70
  4. Step 4: Simplify right side
    1,493.10x = 2,904,425.67
  5. Step 5: Solve for x
    x = 2,904,425.67/1,493.10
  6. Step 6: Final answer
    x = 1,945.23

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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.