Home / 2,688.54-3,711.44-1,793.77

Finding the Fourth Proportional to 2,688.54, 3,711.44 and 1,793.77

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Solution

The fourth proportional to 2,688.54, 3,711.44 and 1,793.77 is: 2,476.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688.54 : 3,711.44 = 1,793.77 : x
  2. Step 2: Convert to fraction form
    2,688.54/3,711.44 = 1,793.77/x
  3. Step 3: Cross multiply
    2,688.54x = 3,711.44 × 1,793.77
  4. Step 4: Simplify right side
    2,688.54x = 6,657,451.48
  5. Step 5: Solve for x
    x = 6,657,451.48/2,688.54
  6. Step 6: Final answer
    x = 2,476.23

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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.