Home / 2,977.10-4,108.65-1,651.22

Finding the Fourth Proportional to 2,977.10, 4,108.65 and 1,651.22

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Solution

The fourth proportional to 2,977.10, 4,108.65 and 1,651.22 is: 2,278.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,977.10 : 4,108.65 = 1,651.22 : x
  2. Step 2: Convert to fraction form
    2,977.10/4,108.65 = 1,651.22/x
  3. Step 3: Cross multiply
    2,977.10x = 4,108.65 × 1,651.22
  4. Step 4: Simplify right side
    2,977.10x = 6,784,285.05
  5. Step 5: Solve for x
    x = 6,784,285.05/2,977.10
  6. Step 6: Final answer
    x = 2,278.82

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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.