Home / 3,610.14-4,981.95-2,117.77

Finding the Fourth Proportional to 3,610.14, 4,981.95 and 2,117.77

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Solution

The fourth proportional to 3,610.14, 4,981.95 and 2,117.77 is: 2,922.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,610.14 : 4,981.95 = 2,117.77 : x
  2. Step 2: Convert to fraction form
    3,610.14/4,981.95 = 2,117.77/x
  3. Step 3: Cross multiply
    3,610.14x = 4,981.95 × 2,117.77
  4. Step 4: Simplify right side
    3,610.14x = 10,550,611.80
  5. Step 5: Solve for x
    x = 10,550,611.80/3,610.14
  6. Step 6: Final answer
    x = 2,922.50

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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.