Home / 1,590.43-2,381.25-1,199.25

Finding the Fourth Proportional to 1,590.43, 2,381.25 and 1,199.25

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Solution

The fourth proportional to 1,590.43, 2,381.25 and 1,199.25 is: 1,795.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,590.43 : 2,381.25 = 1,199.25 : x
  2. Step 2: Convert to fraction form
    1,590.43/2,381.25 = 1,199.25/x
  3. Step 3: Cross multiply
    1,590.43x = 2,381.25 × 1,199.25
  4. Step 4: Simplify right side
    1,590.43x = 2,855,718.56
  5. Step 5: Solve for x
    x = 2,855,718.56/1,590.43
  6. Step 6: Final answer
    x = 1,795.56

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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.