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Finding the Fourth Proportional to 2,772.86, 3,826.85 and 1,710.41

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Solution

The fourth proportional to 2,772.86, 3,826.85 and 1,710.41 is: 2,360.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772.86 : 3,826.85 = 1,710.41 : x
  2. Step 2: Convert to fraction form
    2,772.86/3,826.85 = 1,710.41/x
  3. Step 3: Cross multiply
    2,772.86x = 3,826.85 × 1,710.41
  4. Step 4: Simplify right side
    2,772.86x = 6,545,454.82
  5. Step 5: Solve for x
    x = 6,545,454.82/2,772.86
  6. Step 6: Final answer
    x = 2,360.55

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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.