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Finding the Fourth Proportional to 3,088.80, 4,633.50 and 897.48

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Solution

The fourth proportional to 3,088.80, 4,633.50 and 897.48 is: 1,346.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,088.80 : 4,633.50 = 897.48 : x
  2. Step 2: Convert to fraction form
    3,088.80/4,633.50 = 897.48/x
  3. Step 3: Cross multiply
    3,088.80x = 4,633.50 × 897.48
  4. Step 4: Simplify right side
    3,088.80x = 4,158,473.58
  5. Step 5: Solve for x
    x = 4,158,473.58/3,088.80
  6. Step 6: Final answer
    x = 1,346.31

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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.