Home / 2,977.05-4,108.41-1,650.90

Finding the Fourth Proportional to 2,977.05, 4,108.41 and 1,650.90

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Solution

The fourth proportional to 2,977.05, 4,108.41 and 1,650.90 is: 2,278.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,977.05 : 4,108.41 = 1,650.90 : x
  2. Step 2: Convert to fraction form
    2,977.05/4,108.41 = 1,650.90/x
  3. Step 3: Cross multiply
    2,977.05x = 4,108.41 × 1,650.90
  4. Step 4: Simplify right side
    2,977.05x = 6,782,574.07
  5. Step 5: Solve for x
    x = 6,782,574.07/2,977.05
  6. Step 6: Final answer
    x = 2,278.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.