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Finding the Fourth Proportional to 3,287.58, 4,534.83 and 2,045.58

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Solution

The fourth proportional to 3,287.58, 4,534.83 and 2,045.58 is: 2,821.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,287.58 : 4,534.83 = 2,045.58 : x
  2. Step 2: Convert to fraction form
    3,287.58/4,534.83 = 2,045.58/x
  3. Step 3: Cross multiply
    3,287.58x = 4,534.83 × 2,045.58
  4. Step 4: Simplify right side
    3,287.58x = 9,276,357.55
  5. Step 5: Solve for x
    x = 9,276,357.55/3,287.58
  6. Step 6: Final answer
    x = 2,821.64

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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.