Home / 2,889.93-4,335.76-1,223.19

Finding the Fourth Proportional to 2,889.93, 4,335.76 and 1,223.19

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Solution

The fourth proportional to 2,889.93, 4,335.76 and 1,223.19 is: 1,835.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,889.93 : 4,335.76 = 1,223.19 : x
  2. Step 2: Convert to fraction form
    2,889.93/4,335.76 = 1,223.19/x
  3. Step 3: Cross multiply
    2,889.93x = 4,335.76 × 1,223.19
  4. Step 4: Simplify right side
    2,889.93x = 5,303,458.27
  5. Step 5: Solve for x
    x = 5,303,458.27/2,889.93
  6. Step 6: Final answer
    x = 1,835.15

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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.