Home / 1,433.21-2,148.15-1,173.65

Finding the Fourth Proportional to 1,433.21, 2,148.15 and 1,173.65

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Solution

The fourth proportional to 1,433.21, 2,148.15 and 1,173.65 is: 1,759.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433.21 : 2,148.15 = 1,173.65 : x
  2. Step 2: Convert to fraction form
    1,433.21/2,148.15 = 1,173.65/x
  3. Step 3: Cross multiply
    1,433.21x = 2,148.15 × 1,173.65
  4. Step 4: Simplify right side
    1,433.21x = 2,521,176.25
  5. Step 5: Solve for x
    x = 2,521,176.25/1,433.21
  6. Step 6: Final answer
    x = 1,759.11

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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.