Home / 3,746.27-5,167.62-2,420.75

Finding the Fourth Proportional to 3,746.27, 5,167.62 and 2,420.75

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Solution

The fourth proportional to 3,746.27, 5,167.62 and 2,420.75 is: 3,339.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,746.27 : 5,167.62 = 2,420.75 : x
  2. Step 2: Convert to fraction form
    3,746.27/5,167.62 = 2,420.75/x
  3. Step 3: Cross multiply
    3,746.27x = 5,167.62 × 2,420.75
  4. Step 4: Simplify right side
    3,746.27x = 12,509,529.03
  5. Step 5: Solve for x
    x = 12,509,529.03/3,746.27
  6. Step 6: Final answer
    x = 3,339.20

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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.