Home / 1,622.32-2,237.38-1,054.91

Finding the Fourth Proportional to 1,622.32, 2,237.38 and 1,054.91

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Solution

The fourth proportional to 1,622.32, 2,237.38 and 1,054.91 is: 1,454.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622.32 : 2,237.38 = 1,054.91 : x
  2. Step 2: Convert to fraction form
    1,622.32/2,237.38 = 1,054.91/x
  3. Step 3: Cross multiply
    1,622.32x = 2,237.38 × 1,054.91
  4. Step 4: Simplify right side
    1,622.32x = 2,360,234.54
  5. Step 5: Solve for x
    x = 2,360,234.54/1,622.32
  6. Step 6: Final answer
    x = 1,454.85

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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.