Home / 3,215.07-4,822.70-1,023.82

Finding the Fourth Proportional to 3,215.07, 4,822.70 and 1,023.82

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Solution

The fourth proportional to 3,215.07, 4,822.70 and 1,023.82 is: 1,535.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215.07 : 4,822.70 = 1,023.82 : x
  2. Step 2: Convert to fraction form
    3,215.07/4,822.70 = 1,023.82/x
  3. Step 3: Cross multiply
    3,215.07x = 4,822.70 × 1,023.82
  4. Step 4: Simplify right side
    3,215.07x = 4,937,559.54
  5. Step 5: Solve for x
    x = 4,937,559.54/3,215.07
  6. Step 6: Final answer
    x = 1,535.75

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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.