Home / 2,977.12-4,108.36-1,650.81

Finding the Fourth Proportional to 2,977.12, 4,108.36 and 1,650.81

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Solution

The fourth proportional to 2,977.12, 4,108.36 and 1,650.81 is: 2,278.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,977.12 : 4,108.36 = 1,650.81 : x
  2. Step 2: Convert to fraction form
    2,977.12/4,108.36 = 1,650.81/x
  3. Step 3: Cross multiply
    2,977.12x = 4,108.36 × 1,650.81
  4. Step 4: Simplify right side
    2,977.12x = 6,782,113.52
  5. Step 5: Solve for x
    x = 6,782,113.52/2,977.12
  6. Step 6: Final answer
    x = 2,278.08

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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.