Home / 3,031.92-4,184.32-1,705.96

Finding the Fourth Proportional to 3,031.92, 4,184.32 and 1,705.96

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Solution

The fourth proportional to 3,031.92, 4,184.32 and 1,705.96 is: 2,354.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,031.92 : 4,184.32 = 1,705.96 : x
  2. Step 2: Convert to fraction form
    3,031.92/4,184.32 = 1,705.96/x
  3. Step 3: Cross multiply
    3,031.92x = 4,184.32 × 1,705.96
  4. Step 4: Simplify right side
    3,031.92x = 7,138,282.55
  5. Step 5: Solve for x
    x = 7,138,282.55/3,031.92
  6. Step 6: Final answer
    x = 2,354.38

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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.