Home / 2,803.52-3,868.67-1,684.50

Finding the Fourth Proportional to 2,803.52, 3,868.67 and 1,684.50

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Solution

The fourth proportional to 2,803.52, 3,868.67 and 1,684.50 is: 2,324.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,803.52 : 3,868.67 = 1,684.50 : x
  2. Step 2: Convert to fraction form
    2,803.52/3,868.67 = 1,684.50/x
  3. Step 3: Cross multiply
    2,803.52x = 3,868.67 × 1,684.50
  4. Step 4: Simplify right side
    2,803.52x = 6,516,766.19
  5. Step 5: Solve for x
    x = 6,516,766.19/2,803.52
  6. Step 6: Final answer
    x = 2,324.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.