Home / 3,390.19-5,082.08-2,555.96

Finding the Fourth Proportional to 3,390.19, 5,082.08 and 2,555.96

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Solution

The fourth proportional to 3,390.19, 5,082.08 and 2,555.96 is: 3,831.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390.19 : 5,082.08 = 2,555.96 : x
  2. Step 2: Convert to fraction form
    3,390.19/5,082.08 = 2,555.96/x
  3. Step 3: Cross multiply
    3,390.19x = 5,082.08 × 2,555.96
  4. Step 4: Simplify right side
    3,390.19x = 12,989,555.01
  5. Step 5: Solve for x
    x = 12,989,555.01/3,390.19
  6. Step 6: Final answer
    x = 3,831.52

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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.