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Finding the Fourth Proportional to 3,246.19, 4,869.32 and 937.69

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Solution

The fourth proportional to 3,246.19, 4,869.32 and 937.69 is: 1,406.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,246.19 : 4,869.32 = 937.69 : x
  2. Step 2: Convert to fraction form
    3,246.19/4,869.32 = 937.69/x
  3. Step 3: Cross multiply
    3,246.19x = 4,869.32 × 937.69
  4. Step 4: Simplify right side
    3,246.19x = 4,565,895.81
  5. Step 5: Solve for x
    x = 4,565,895.81/3,246.19
  6. Step 6: Final answer
    x = 1,406.54

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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.