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Finding the Fourth Proportional to 2,477.84, 3,717.32 and 834.34

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Solution

The fourth proportional to 2,477.84, 3,717.32 and 834.34 is: 1,251.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,477.84 : 3,717.32 = 834.34 : x
  2. Step 2: Convert to fraction form
    2,477.84/3,717.32 = 834.34/x
  3. Step 3: Cross multiply
    2,477.84x = 3,717.32 × 834.34
  4. Step 4: Simplify right side
    2,477.84x = 3,101,490.18
  5. Step 5: Solve for x
    x = 3,101,490.18/2,477.84
  6. Step 6: Final answer
    x = 1,251.69

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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.