Home / 3,746.50-5,171.12-2,175.51

Finding the Fourth Proportional to 3,746.50, 5,171.12 and 2,175.51

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Solution

The fourth proportional to 3,746.50, 5,171.12 and 2,175.51 is: 3,002.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,746.50 : 5,171.12 = 2,175.51 : x
  2. Step 2: Convert to fraction form
    3,746.50/5,171.12 = 2,175.51/x
  3. Step 3: Cross multiply
    3,746.50x = 5,171.12 × 2,175.51
  4. Step 4: Simplify right side
    3,746.50x = 11,249,823.27
  5. Step 5: Solve for x
    x = 11,249,823.27/3,746.50
  6. Step 6: Final answer
    x = 3,002.76

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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.