Home / 2,797.18-3,859.38-1,803.92

Finding the Fourth Proportional to 2,797.18, 3,859.38 and 1,803.92

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Solution

The fourth proportional to 2,797.18, 3,859.38 and 1,803.92 is: 2,488.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,797.18 : 3,859.38 = 1,803.92 : x
  2. Step 2: Convert to fraction form
    2,797.18/3,859.38 = 1,803.92/x
  3. Step 3: Cross multiply
    2,797.18x = 3,859.38 × 1,803.92
  4. Step 4: Simplify right side
    2,797.18x = 6,962,012.77
  5. Step 5: Solve for x
    x = 6,962,012.77/2,797.18
  6. Step 6: Final answer
    x = 2,488.94

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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.