Home / 3,487.79-4,813.34-2,306.81

Finding the Fourth Proportional to 3,487.79, 4,813.34 and 2,306.81

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Solution

The fourth proportional to 3,487.79, 4,813.34 and 2,306.81 is: 3,183.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,487.79 : 4,813.34 = 2,306.81 : x
  2. Step 2: Convert to fraction form
    3,487.79/4,813.34 = 2,306.81/x
  3. Step 3: Cross multiply
    3,487.79x = 4,813.34 × 2,306.81
  4. Step 4: Simplify right side
    3,487.79x = 11,103,425.24
  5. Step 5: Solve for x
    x = 11,103,425.24/3,487.79
  6. Step 6: Final answer
    x = 3,183.52

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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.