Home / 4,045.20-5,581.91-2,276.76

Finding the Fourth Proportional to 4,045.20, 5,581.91 and 2,276.76

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Solution

The fourth proportional to 4,045.20, 5,581.91 and 2,276.76 is: 3,141.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,045.20 : 5,581.91 = 2,276.76 : x
  2. Step 2: Convert to fraction form
    4,045.20/5,581.91 = 2,276.76/x
  3. Step 3: Cross multiply
    4,045.20x = 5,581.91 × 2,276.76
  4. Step 4: Simplify right side
    4,045.20x = 12,708,669.41
  5. Step 5: Solve for x
    x = 12,708,669.41/4,045.20
  6. Step 6: Final answer
    x = 3,141.67

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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.