Home / 1,647.18-2,480.54-1,433.34

Finding the Fourth Proportional to 1,647.18, 2,480.54 and 1,433.34

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Solution

The fourth proportional to 1,647.18, 2,480.54 and 1,433.34 is: 2,158.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,647.18 : 2,480.54 = 1,433.34 : x
  2. Step 2: Convert to fraction form
    1,647.18/2,480.54 = 1,433.34/x
  3. Step 3: Cross multiply
    1,647.18x = 2,480.54 × 1,433.34
  4. Step 4: Simplify right side
    1,647.18x = 3,555,450.04
  5. Step 5: Solve for x
    x = 3,555,450.04/1,647.18
  6. Step 6: Final answer
    x = 2,158.51

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.