Home / 2,826.95-3,901.19-1,568.21

Finding the Fourth Proportional to 2,826.95, 3,901.19 and 1,568.21

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Solution

The fourth proportional to 2,826.95, 3,901.19 and 1,568.21 is: 2,164.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,826.95 : 3,901.19 = 1,568.21 : x
  2. Step 2: Convert to fraction form
    2,826.95/3,901.19 = 1,568.21/x
  3. Step 3: Cross multiply
    2,826.95x = 3,901.19 × 1,568.21
  4. Step 4: Simplify right side
    2,826.95x = 6,117,857.82
  5. Step 5: Solve for x
    x = 6,117,857.82/2,826.95
  6. Step 6: Final answer
    x = 2,164.12

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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.