Home / 2,799.46-3,862.55-1,803.54

Finding the Fourth Proportional to 2,799.46, 3,862.55 and 1,803.54

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Solution

The fourth proportional to 2,799.46, 3,862.55 and 1,803.54 is: 2,488.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799.46 : 3,862.55 = 1,803.54 : x
  2. Step 2: Convert to fraction form
    2,799.46/3,862.55 = 1,803.54/x
  3. Step 3: Cross multiply
    2,799.46x = 3,862.55 × 1,803.54
  4. Step 4: Simplify right side
    2,799.46x = 6,966,263.43
  5. Step 5: Solve for x
    x = 6,966,263.43/2,799.46
  6. Step 6: Final answer
    x = 2,488.43

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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.