Home / 3,730.87-5,592.66-1,389.16

Finding the Fourth Proportional to 3,730.87, 5,592.66 and 1,389.16

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Solution

The fourth proportional to 3,730.87, 5,592.66 and 1,389.16 is: 2,082.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,730.87 : 5,592.66 = 1,389.16 : x
  2. Step 2: Convert to fraction form
    3,730.87/5,592.66 = 1,389.16/x
  3. Step 3: Cross multiply
    3,730.87x = 5,592.66 × 1,389.16
  4. Step 4: Simplify right side
    3,730.87x = 7,769,099.57
  5. Step 5: Solve for x
    x = 7,769,099.57/3,730.87
  6. Step 6: Final answer
    x = 2,082.38

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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.