Home / 2,388.21-3,585.95-2,082.03

Finding the Fourth Proportional to 2,388.21, 3,585.95 and 2,082.03

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Solution

The fourth proportional to 2,388.21, 3,585.95 and 2,082.03 is: 3,126.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,388.21 : 3,585.95 = 2,082.03 : x
  2. Step 2: Convert to fraction form
    2,388.21/3,585.95 = 2,082.03/x
  3. Step 3: Cross multiply
    2,388.21x = 3,585.95 × 2,082.03
  4. Step 4: Simplify right side
    2,388.21x = 7,466,055.48
  5. Step 5: Solve for x
    x = 7,466,055.48/2,388.21
  6. Step 6: Final answer
    x = 3,126.21

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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.