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Finding the Fourth Proportional to 1,934.76, 2,900.84 and 894.19

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Solution

The fourth proportional to 1,934.76, 2,900.84 and 894.19 is: 1,340.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,934.76 : 2,900.84 = 894.19 : x
  2. Step 2: Convert to fraction form
    1,934.76/2,900.84 = 894.19/x
  3. Step 3: Cross multiply
    1,934.76x = 2,900.84 × 894.19
  4. Step 4: Simplify right side
    1,934.76x = 2,593,902.12
  5. Step 5: Solve for x
    x = 2,593,902.12/1,934.76
  6. Step 6: Final answer
    x = 1,340.68

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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.