Home / 3,610.02-4,981.26-2,117.73

Finding the Fourth Proportional to 3,610.02, 4,981.26 and 2,117.73

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Solution

The fourth proportional to 3,610.02, 4,981.26 and 2,117.73 is: 2,922.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,610.02 : 4,981.26 = 2,117.73 : x
  2. Step 2: Convert to fraction form
    3,610.02/4,981.26 = 2,117.73/x
  3. Step 3: Cross multiply
    3,610.02x = 4,981.26 × 2,117.73
  4. Step 4: Simplify right side
    3,610.02x = 10,548,963.74
  5. Step 5: Solve for x
    x = 10,548,963.74/3,610.02
  6. Step 6: Final answer
    x = 2,922.13

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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.