Home / 2,339.42-3,509.66-1,243.53

Finding the Fourth Proportional to 2,339.42, 3,509.66 and 1,243.53

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Solution

The fourth proportional to 2,339.42, 3,509.66 and 1,243.53 is: 1,865.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,339.42 : 3,509.66 = 1,243.53 : x
  2. Step 2: Convert to fraction form
    2,339.42/3,509.66 = 1,243.53/x
  3. Step 3: Cross multiply
    2,339.42x = 3,509.66 × 1,243.53
  4. Step 4: Simplify right side
    2,339.42x = 4,364,370.61
  5. Step 5: Solve for x
    x = 4,364,370.61/2,339.42
  6. Step 6: Final answer
    x = 1,865.58

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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.