Home / 1,623.42-2,229.53-1,360.98

Finding the Fourth Proportional to 1,623.42, 2,229.53 and 1,360.98

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Solution

The fourth proportional to 1,623.42, 2,229.53 and 1,360.98 is: 1,869.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623.42 : 2,229.53 = 1,360.98 : x
  2. Step 2: Convert to fraction form
    1,623.42/2,229.53 = 1,360.98/x
  3. Step 3: Cross multiply
    1,623.42x = 2,229.53 × 1,360.98
  4. Step 4: Simplify right side
    1,623.42x = 3,034,338.93
  5. Step 5: Solve for x
    x = 3,034,338.93/1,623.42
  6. Step 6: Final answer
    x = 1,869.10

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.