Home / 1,223.16-1,834.34-1,028.20

Finding the Fourth Proportional to 1,223.16, 1,834.34 and 1,028.20

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Solution

The fourth proportional to 1,223.16, 1,834.34 and 1,028.20 is: 1,541.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223.16 : 1,834.34 = 1,028.20 : x
  2. Step 2: Convert to fraction form
    1,223.16/1,834.34 = 1,028.20/x
  3. Step 3: Cross multiply
    1,223.16x = 1,834.34 × 1,028.20
  4. Step 4: Simplify right side
    1,223.16x = 1,886,068.39
  5. Step 5: Solve for x
    x = 1,886,068.39/1,223.16
  6. Step 6: Final answer
    x = 1,541.96

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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.