Home / 3,223.36-4,835.76-1,275.76

Finding the Fourth Proportional to 3,223.36, 4,835.76 and 1,275.76

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Solution

The fourth proportional to 3,223.36, 4,835.76 and 1,275.76 is: 1,913.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,223.36 : 4,835.76 = 1,275.76 : x
  2. Step 2: Convert to fraction form
    3,223.36/4,835.76 = 1,275.76/x
  3. Step 3: Cross multiply
    3,223.36x = 4,835.76 × 1,275.76
  4. Step 4: Simplify right side
    3,223.36x = 6,169,269.18
  5. Step 5: Solve for x
    x = 6,169,269.18/3,223.36
  6. Step 6: Final answer
    x = 1,913.92

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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.