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Finding the Fourth Proportional to 2,281.50, 3,422.43 and 894.74

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Solution

The fourth proportional to 2,281.50, 3,422.43 and 894.74 is: 1,342.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,281.50 : 3,422.43 = 894.74 : x
  2. Step 2: Convert to fraction form
    2,281.50/3,422.43 = 894.74/x
  3. Step 3: Cross multiply
    2,281.50x = 3,422.43 × 894.74
  4. Step 4: Simplify right side
    2,281.50x = 3,062,167.91
  5. Step 5: Solve for x
    x = 3,062,167.91/2,281.50
  6. Step 6: Final answer
    x = 1,342.17

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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.