Home / 1,622.30-2,238.93-1,063.07

Finding the Fourth Proportional to 1,622.30, 2,238.93 and 1,063.07

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Solution

The fourth proportional to 1,622.30, 2,238.93 and 1,063.07 is: 1,467.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622.30 : 2,238.93 = 1,063.07 : x
  2. Step 2: Convert to fraction form
    1,622.30/2,238.93 = 1,063.07/x
  3. Step 3: Cross multiply
    1,622.30x = 2,238.93 × 1,063.07
  4. Step 4: Simplify right side
    1,622.30x = 2,380,139.32
  5. Step 5: Solve for x
    x = 2,380,139.32/1,622.30
  6. Step 6: Final answer
    x = 1,467.14

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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.