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Finding the Fourth Proportional to 3,502.79, 4,834.07 and 1,930.89

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Solution

The fourth proportional to 3,502.79, 4,834.07 and 1,930.89 is: 2,664.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,502.79 : 4,834.07 = 1,930.89 : x
  2. Step 2: Convert to fraction form
    3,502.79/4,834.07 = 1,930.89/x
  3. Step 3: Cross multiply
    3,502.79x = 4,834.07 × 1,930.89
  4. Step 4: Simplify right side
    3,502.79x = 9,334,033.25
  5. Step 5: Solve for x
    x = 9,334,033.25/3,502.79
  6. Step 6: Final answer
    x = 2,664.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.