Home / 2,803.23-3,868.62-1,591.95

Finding the Fourth Proportional to 2,803.23, 3,868.62 and 1,591.95

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Solution

The fourth proportional to 2,803.23, 3,868.62 and 1,591.95 is: 2,196.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,803.23 : 3,868.62 = 1,591.95 : x
  2. Step 2: Convert to fraction form
    2,803.23/3,868.62 = 1,591.95/x
  3. Step 3: Cross multiply
    2,803.23x = 3,868.62 × 1,591.95
  4. Step 4: Simplify right side
    2,803.23x = 6,158,649.61
  5. Step 5: Solve for x
    x = 6,158,649.61/2,803.23
  6. Step 6: Final answer
    x = 2,196.98

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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.