Home / 2,826.32-4,253.28-2,557.76

Finding the Fourth Proportional to 2,826.32, 4,253.28 and 2,557.76

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Solution

The fourth proportional to 2,826.32, 4,253.28 and 2,557.76 is: 3,849.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,826.32 : 4,253.28 = 2,557.76 : x
  2. Step 2: Convert to fraction form
    2,826.32/4,253.28 = 2,557.76/x
  3. Step 3: Cross multiply
    2,826.32x = 4,253.28 × 2,557.76
  4. Step 4: Simplify right side
    2,826.32x = 10,878,869.45
  5. Step 5: Solve for x
    x = 10,878,869.45/2,826.32
  6. Step 6: Final answer
    x = 3,849.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.