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Finding the Fourth Proportional to 2,281.30, 3,418.71 and 893.14

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Solution

The fourth proportional to 2,281.30, 3,418.71 and 893.14 is: 1,338.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,281.30 : 3,418.71 = 893.14 : x
  2. Step 2: Convert to fraction form
    2,281.30/3,418.71 = 893.14/x
  3. Step 3: Cross multiply
    2,281.30x = 3,418.71 × 893.14
  4. Step 4: Simplify right side
    2,281.30x = 3,053,386.65
  5. Step 5: Solve for x
    x = 3,053,386.65/2,281.30
  6. Step 6: Final answer
    x = 1,338.44

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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.