Home / 3,388.05-4,675.30-1,895.72

Finding the Fourth Proportional to 3,388.05, 4,675.30 and 1,895.72

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Solution

The fourth proportional to 3,388.05, 4,675.30 and 1,895.72 is: 2,615.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,388.05 : 4,675.30 = 1,895.72 : x
  2. Step 2: Convert to fraction form
    3,388.05/4,675.30 = 1,895.72/x
  3. Step 3: Cross multiply
    3,388.05x = 4,675.30 × 1,895.72
  4. Step 4: Simplify right side
    3,388.05x = 8,863,031.60
  5. Step 5: Solve for x
    x = 8,863,031.60/3,388.05
  6. Step 6: Final answer
    x = 2,615.97

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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.