Home / 3,746.61-5,169.24-2,421.09

Finding the Fourth Proportional to 3,746.61, 5,169.24 and 2,421.09

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Solution

The fourth proportional to 3,746.61, 5,169.24 and 2,421.09 is: 3,340.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,746.61 : 5,169.24 = 2,421.09 : x
  2. Step 2: Convert to fraction form
    3,746.61/5,169.24 = 2,421.09/x
  3. Step 3: Cross multiply
    3,746.61x = 5,169.24 × 2,421.09
  4. Step 4: Simplify right side
    3,746.61x = 12,515,195.27
  5. Step 5: Solve for x
    x = 12,515,195.27/3,746.61
  6. Step 6: Final answer
    x = 3,340.41

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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.