Home / 1,475.62-2,214.74-1,109.29

Finding the Fourth Proportional to 1,475.62, 2,214.74 and 1,109.29

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Solution

The fourth proportional to 1,475.62, 2,214.74 and 1,109.29 is: 1,664.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,475.62 : 2,214.74 = 1,109.29 : x
  2. Step 2: Convert to fraction form
    1,475.62/2,214.74 = 1,109.29/x
  3. Step 3: Cross multiply
    1,475.62x = 2,214.74 × 1,109.29
  4. Step 4: Simplify right side
    1,475.62x = 2,456,788.93
  5. Step 5: Solve for x
    x = 2,456,788.93/1,475.62
  6. Step 6: Final answer
    x = 1,664.92

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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.