Home / 2,688.60-3,711.52-1,793.83

Finding the Fourth Proportional to 2,688.60, 3,711.52 and 1,793.83

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Solution

The fourth proportional to 2,688.60, 3,711.52 and 1,793.83 is: 2,476.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688.60 : 3,711.52 = 1,793.83 : x
  2. Step 2: Convert to fraction form
    2,688.60/3,711.52 = 1,793.83/x
  3. Step 3: Cross multiply
    2,688.60x = 3,711.52 × 1,793.83
  4. Step 4: Simplify right side
    2,688.60x = 6,657,835.92
  5. Step 5: Solve for x
    x = 6,657,835.92/2,688.60
  6. Step 6: Final answer
    x = 2,476.32

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Half scale
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Double scale
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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.