Home / 1,622.19-2,431.22-1,036.96

Finding the Fourth Proportional to 1,622.19, 2,431.22 and 1,036.96

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Solution

The fourth proportional to 1,622.19, 2,431.22 and 1,036.96 is: 1,554.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622.19 : 2,431.22 = 1,036.96 : x
  2. Step 2: Convert to fraction form
    1,622.19/2,431.22 = 1,036.96/x
  3. Step 3: Cross multiply
    1,622.19x = 2,431.22 × 1,036.96
  4. Step 4: Simplify right side
    1,622.19x = 2,521,077.89
  5. Step 5: Solve for x
    x = 2,521,077.89/1,622.19
  6. Step 6: Final answer
    x = 1,554.12

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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.