Home / 1,559.32-2,334.79-1,143.79

Finding the Fourth Proportional to 1,559.32, 2,334.79 and 1,143.79

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Solution

The fourth proportional to 1,559.32, 2,334.79 and 1,143.79 is: 1,712.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,559.32 : 2,334.79 = 1,143.79 : x
  2. Step 2: Convert to fraction form
    1,559.32/2,334.79 = 1,143.79/x
  3. Step 3: Cross multiply
    1,559.32x = 2,334.79 × 1,143.79
  4. Step 4: Simplify right side
    1,559.32x = 2,670,509.45
  5. Step 5: Solve for x
    x = 2,670,509.45/1,559.32
  6. Step 6: Final answer
    x = 1,712.61

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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.