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Finding the Fourth Proportional to 2,284.70, 3,425.75 and 897.28

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Solution

The fourth proportional to 2,284.70, 3,425.75 and 897.28 is: 1,345.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,284.70 : 3,425.75 = 897.28 : x
  2. Step 2: Convert to fraction form
    2,284.70/3,425.75 = 897.28/x
  3. Step 3: Cross multiply
    2,284.70x = 3,425.75 × 897.28
  4. Step 4: Simplify right side
    2,284.70x = 3,073,854.10
  5. Step 5: Solve for x
    x = 3,073,854.10/2,284.70
  6. Step 6: Final answer
    x = 1,345.41

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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.