Home / 2,339.13-3,509.61-1,039.71

Finding the Fourth Proportional to 2,339.13, 3,509.61 and 1,039.71

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Solution

The fourth proportional to 2,339.13, 3,509.61 and 1,039.71 is: 1,559.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,339.13 : 3,509.61 = 1,039.71 : x
  2. Step 2: Convert to fraction form
    2,339.13/3,509.61 = 1,039.71/x
  3. Step 3: Cross multiply
    2,339.13x = 3,509.61 × 1,039.71
  4. Step 4: Simplify right side
    2,339.13x = 3,648,976.61
  5. Step 5: Solve for x
    x = 3,648,976.61/2,339.13
  6. Step 6: Final answer
    x = 1,559.97

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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.