Home / 1,737.18-2,398.46-1,338.09

Finding the Fourth Proportional to 1,737.18, 2,398.46 and 1,338.09

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Solution

The fourth proportional to 1,737.18, 2,398.46 and 1,338.09 is: 1,847.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,737.18 : 2,398.46 = 1,338.09 : x
  2. Step 2: Convert to fraction form
    1,737.18/2,398.46 = 1,338.09/x
  3. Step 3: Cross multiply
    1,737.18x = 2,398.46 × 1,338.09
  4. Step 4: Simplify right side
    1,737.18x = 3,209,348.65
  5. Step 5: Solve for x
    x = 3,209,348.65/1,737.18
  6. Step 6: Final answer
    x = 1,847.45

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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.