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Finding the Fourth Proportional to 3,237.30, 4,855.95 and 897.30

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Solution

The fourth proportional to 3,237.30, 4,855.95 and 897.30 is: 1,345.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,237.30 : 4,855.95 = 897.30 : x
  2. Step 2: Convert to fraction form
    3,237.30/4,855.95 = 897.30/x
  3. Step 3: Cross multiply
    3,237.30x = 4,855.95 × 897.30
  4. Step 4: Simplify right side
    3,237.30x = 4,357,243.94
  5. Step 5: Solve for x
    x = 4,357,243.94/3,237.30
  6. Step 6: Final answer
    x = 1,345.95

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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.