Home / 1,709.32-2,358.48-1,010.56

Finding the Fourth Proportional to 1,709.32, 2,358.48 and 1,010.56

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Solution

The fourth proportional to 1,709.32, 2,358.48 and 1,010.56 is: 1,394.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,709.32 : 2,358.48 = 1,010.56 : x
  2. Step 2: Convert to fraction form
    1,709.32/2,358.48 = 1,010.56/x
  3. Step 3: Cross multiply
    1,709.32x = 2,358.48 × 1,010.56
  4. Step 4: Simplify right side
    1,709.32x = 2,383,385.55
  5. Step 5: Solve for x
    x = 2,383,385.55/1,709.32
  6. Step 6: Final answer
    x = 1,394.35

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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.