Home / 3,031.07-4,182.51-1,704.69

Finding the Fourth Proportional to 3,031.07, 4,182.51 and 1,704.69

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Solution

The fourth proportional to 3,031.07, 4,182.51 and 1,704.69 is: 2,352.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,031.07 : 4,182.51 = 1,704.69 : x
  2. Step 2: Convert to fraction form
    3,031.07/4,182.51 = 1,704.69/x
  3. Step 3: Cross multiply
    3,031.07x = 4,182.51 × 1,704.69
  4. Step 4: Simplify right side
    3,031.07x = 7,129,882.97
  5. Step 5: Solve for x
    x = 7,129,882.97/3,031.07
  6. Step 6: Final answer
    x = 2,352.27

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1.5x scale

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.