Home / 2,869.21-4,301.08-1,223.49

Finding the Fourth Proportional to 2,869.21, 4,301.08 and 1,223.49

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Solution

The fourth proportional to 2,869.21, 4,301.08 and 1,223.49 is: 1,834.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,869.21 : 4,301.08 = 1,223.49 : x
  2. Step 2: Convert to fraction form
    2,869.21/4,301.08 = 1,223.49/x
  3. Step 3: Cross multiply
    2,869.21x = 4,301.08 × 1,223.49
  4. Step 4: Simplify right side
    2,869.21x = 5,262,328.37
  5. Step 5: Solve for x
    x = 5,262,328.37/2,869.21
  6. Step 6: Final answer
    x = 1,834.07

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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.