Home / 3,712.17-5,569.20-2,618.67

Finding the Fourth Proportional to 3,712.17, 5,569.20 and 2,618.67

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Solution

The fourth proportional to 3,712.17, 5,569.20 and 2,618.67 is: 3,928.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,712.17 : 5,569.20 = 2,618.67 : x
  2. Step 2: Convert to fraction form
    3,712.17/5,569.20 = 2,618.67/x
  3. Step 3: Cross multiply
    3,712.17x = 5,569.20 × 2,618.67
  4. Step 4: Simplify right side
    3,712.17x = 14,583,896.96
  5. Step 5: Solve for x
    x = 14,583,896.96/3,712.17
  6. Step 6: Final answer
    x = 3,928.67

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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.