Home / 1,358.58-2,040.75-1,153.56

Finding the Fourth Proportional to 1,358.58, 2,040.75 and 1,153.56

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Solution

The fourth proportional to 1,358.58, 2,040.75 and 1,153.56 is: 1,732.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358.58 : 2,040.75 = 1,153.56 : x
  2. Step 2: Convert to fraction form
    1,358.58/2,040.75 = 1,153.56/x
  3. Step 3: Cross multiply
    1,358.58x = 2,040.75 × 1,153.56
  4. Step 4: Simplify right side
    1,358.58x = 2,354,127.57
  5. Step 5: Solve for x
    x = 2,354,127.57/1,358.58
  6. Step 6: Final answer
    x = 1,732.79

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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.