Home / 2,977.38-4,462.67-1,415.17

Finding the Fourth Proportional to 2,977.38, 4,462.67 and 1,415.17

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Solution

The fourth proportional to 2,977.38, 4,462.67 and 1,415.17 is: 2,121.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,977.38 : 4,462.67 = 1,415.17 : x
  2. Step 2: Convert to fraction form
    2,977.38/4,462.67 = 1,415.17/x
  3. Step 3: Cross multiply
    2,977.38x = 4,462.67 × 1,415.17
  4. Step 4: Simplify right side
    2,977.38x = 6,315,441.84
  5. Step 5: Solve for x
    x = 6,315,441.84/2,977.38
  6. Step 6: Final answer
    x = 2,121.14

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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.