Home / 2,977.27-4,108.65-1,650.89

Finding the Fourth Proportional to 2,977.27, 4,108.65 and 1,650.89

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Solution

The fourth proportional to 2,977.27, 4,108.65 and 1,650.89 is: 2,278.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,977.27 : 4,108.65 = 1,650.89 : x
  2. Step 2: Convert to fraction form
    2,977.27/4,108.65 = 1,650.89/x
  3. Step 3: Cross multiply
    2,977.27x = 4,108.65 × 1,650.89
  4. Step 4: Simplify right side
    2,977.27x = 6,782,929.20
  5. Step 5: Solve for x
    x = 6,782,929.20/2,977.27
  6. Step 6: Final answer
    x = 2,278.24

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1.5x scale

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.