Home / 3,145.23-4,717.49-1,065.24

Finding the Fourth Proportional to 3,145.23, 4,717.49 and 1,065.24

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Solution

The fourth proportional to 3,145.23, 4,717.49 and 1,065.24 is: 1,597.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145.23 : 4,717.49 = 1,065.24 : x
  2. Step 2: Convert to fraction form
    3,145.23/4,717.49 = 1,065.24/x
  3. Step 3: Cross multiply
    3,145.23x = 4,717.49 × 1,065.24
  4. Step 4: Simplify right side
    3,145.23x = 5,025,253.72
  5. Step 5: Solve for x
    x = 5,025,253.72/3,145.23
  6. Step 6: Final answer
    x = 1,597.74

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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.