Home / 2,772.18-3,824.40-1,826.76

Finding the Fourth Proportional to 2,772.18, 3,824.40 and 1,826.76

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Solution

The fourth proportional to 2,772.18, 3,824.40 and 1,826.76 is: 2,520.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772.18 : 3,824.40 = 1,826.76 : x
  2. Step 2: Convert to fraction form
    2,772.18/3,824.40 = 1,826.76/x
  3. Step 3: Cross multiply
    2,772.18x = 3,824.40 × 1,826.76
  4. Step 4: Simplify right side
    2,772.18x = 6,986,260.94
  5. Step 5: Solve for x
    x = 6,986,260.94/2,772.18
  6. Step 6: Final answer
    x = 2,520.13

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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.