Home / 1,709.20-2,358.30-1,010.62

Finding the Fourth Proportional to 1,709.20, 2,358.30 and 1,010.62

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Solution

The fourth proportional to 1,709.20, 2,358.30 and 1,010.62 is: 1,394.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,709.20 : 2,358.30 = 1,010.62 : x
  2. Step 2: Convert to fraction form
    1,709.20/2,358.30 = 1,010.62/x
  3. Step 3: Cross multiply
    1,709.20x = 2,358.30 × 1,010.62
  4. Step 4: Simplify right side
    1,709.20x = 2,383,345.15
  5. Step 5: Solve for x
    x = 2,383,345.15/1,709.20
  6. Step 6: Final answer
    x = 1,394.42

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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.