Home / 3,885.74-5,367.30-2,712.06

Finding the Fourth Proportional to 3,885.74, 5,367.30 and 2,712.06

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Solution

The fourth proportional to 3,885.74, 5,367.30 and 2,712.06 is: 3,746.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,885.74 : 5,367.30 = 2,712.06 : x
  2. Step 2: Convert to fraction form
    3,885.74/5,367.30 = 2,712.06/x
  3. Step 3: Cross multiply
    3,885.74x = 5,367.30 × 2,712.06
  4. Step 4: Simplify right side
    3,885.74x = 14,556,439.64
  5. Step 5: Solve for x
    x = 14,556,439.64/3,885.74
  6. Step 6: Final answer
    x = 3,746.12

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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.