Home / 3,375.27-4,656.39-2,031.42

Finding the Fourth Proportional to 3,375.27, 4,656.39 and 2,031.42

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Solution

The fourth proportional to 3,375.27, 4,656.39 and 2,031.42 is: 2,802.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,375.27 : 4,656.39 = 2,031.42 : x
  2. Step 2: Convert to fraction form
    3,375.27/4,656.39 = 2,031.42/x
  3. Step 3: Cross multiply
    3,375.27x = 4,656.39 × 2,031.42
  4. Step 4: Simplify right side
    3,375.27x = 9,459,083.77
  5. Step 5: Solve for x
    x = 9,459,083.77/3,375.27
  6. Step 6: Final answer
    x = 2,802.47

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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.