Home / 3,720.17-5,581.20-2,626.67

Finding the Fourth Proportional to 3,720.17, 5,581.20 and 2,626.67

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Solution

The fourth proportional to 3,720.17, 5,581.20 and 2,626.67 is: 3,940.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,720.17 : 5,581.20 = 2,626.67 : x
  2. Step 2: Convert to fraction form
    3,720.17/5,581.20 = 2,626.67/x
  3. Step 3: Cross multiply
    3,720.17x = 5,581.20 × 2,626.67
  4. Step 4: Simplify right side
    3,720.17x = 14,659,957.47
  5. Step 5: Solve for x
    x = 14,659,957.47/3,720.17
  6. Step 6: Final answer
    x = 3,940.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.