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Finding the Fourth Proportional to 2,456.91, 3,685.64 and 897.39

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Solution

The fourth proportional to 2,456.91, 3,685.64 and 897.39 is: 1,346.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,456.91 : 3,685.64 = 897.39 : x
  2. Step 2: Convert to fraction form
    2,456.91/3,685.64 = 897.39/x
  3. Step 3: Cross multiply
    2,456.91x = 3,685.64 × 897.39
  4. Step 4: Simplify right side
    2,456.91x = 3,307,451.99
  5. Step 5: Solve for x
    x = 3,307,451.99/2,456.91
  6. Step 6: Final answer
    x = 1,346.18

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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.