Home / 3,429.90-5,148.23-2,443.81

Finding the Fourth Proportional to 3,429.90, 5,148.23 and 2,443.81

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Solution

The fourth proportional to 3,429.90, 5,148.23 and 2,443.81 is: 3,668.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,429.90 : 5,148.23 = 2,443.81 : x
  2. Step 2: Convert to fraction form
    3,429.90/5,148.23 = 2,443.81/x
  3. Step 3: Cross multiply
    3,429.90x = 5,148.23 × 2,443.81
  4. Step 4: Simplify right side
    3,429.90x = 12,581,295.96
  5. Step 5: Solve for x
    x = 12,581,295.96/3,429.90
  6. Step 6: Final answer
    x = 3,668.12

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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.