Home / 4,065.76-5,611.10-2,297.70

Finding the Fourth Proportional to 4,065.76, 5,611.10 and 2,297.70

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Solution

The fourth proportional to 4,065.76, 5,611.10 and 2,297.70 is: 3,171.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,065.76 : 5,611.10 = 2,297.70 : x
  2. Step 2: Convert to fraction form
    4,065.76/5,611.10 = 2,297.70/x
  3. Step 3: Cross multiply
    4,065.76x = 5,611.10 × 2,297.70
  4. Step 4: Simplify right side
    4,065.76x = 12,892,624.47
  5. Step 5: Solve for x
    x = 12,892,624.47/4,065.76
  6. Step 6: Final answer
    x = 3,171.02

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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.