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Finding the Fourth Proportional to 2,533.49, 3,799.88 and 684.77

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Solution

The fourth proportional to 2,533.49, 3,799.88 and 684.77 is: 1,027.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,533.49 : 3,799.88 = 684.77 : x
  2. Step 2: Convert to fraction form
    2,533.49/3,799.88 = 684.77/x
  3. Step 3: Cross multiply
    2,533.49x = 3,799.88 × 684.77
  4. Step 4: Simplify right side
    2,533.49x = 2,602,023.97
  5. Step 5: Solve for x
    x = 2,602,023.97/2,533.49
  6. Step 6: Final answer
    x = 1,027.05

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1.5x scale

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.