Home / 3,071.45-4,231.83-2,565.45

Finding the Fourth Proportional to 3,071.45, 4,231.83 and 2,565.45

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Solution

The fourth proportional to 3,071.45, 4,231.83 and 2,565.45 is: 3,534.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,071.45 : 4,231.83 = 2,565.45 : x
  2. Step 2: Convert to fraction form
    3,071.45/4,231.83 = 2,565.45/x
  3. Step 3: Cross multiply
    3,071.45x = 4,231.83 × 2,565.45
  4. Step 4: Simplify right side
    3,071.45x = 10,856,548.27
  5. Step 5: Solve for x
    x = 10,856,548.27/3,071.45
  6. Step 6: Final answer
    x = 3,534.67

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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.