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Finding the Fourth Proportional to 3,235.66, 4,854.72 and 1,289.23

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Solution

The fourth proportional to 3,235.66, 4,854.72 and 1,289.23 is: 1,934.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,235.66 : 4,854.72 = 1,289.23 : x
  2. Step 2: Convert to fraction form
    3,235.66/4,854.72 = 1,289.23/x
  3. Step 3: Cross multiply
    3,235.66x = 4,854.72 × 1,289.23
  4. Step 4: Simplify right side
    3,235.66x = 6,258,850.67
  5. Step 5: Solve for x
    x = 6,258,850.67/3,235.66
  6. Step 6: Final answer
    x = 1,934.34

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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.