Home / 3,748.15-5,177.04-2,808.14

Finding the Fourth Proportional to 3,748.15, 5,177.04 and 2,808.14

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Solution

The fourth proportional to 3,748.15, 5,177.04 and 2,808.14 is: 3,878.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,748.15 : 5,177.04 = 2,808.14 : x
  2. Step 2: Convert to fraction form
    3,748.15/5,177.04 = 2,808.14/x
  3. Step 3: Cross multiply
    3,748.15x = 5,177.04 × 2,808.14
  4. Step 4: Simplify right side
    3,748.15x = 14,537,839.06
  5. Step 5: Solve for x
    x = 14,537,839.06/3,748.15
  6. Step 6: Final answer
    x = 3,878.68

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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.