Home / 3,900.16-5,851.68-2,341.28

Finding the Fourth Proportional to 3,900.16, 5,851.68 and 2,341.28

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Solution

The fourth proportional to 3,900.16, 5,851.68 and 2,341.28 is: 3,512.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,900.16 : 5,851.68 = 2,341.28 : x
  2. Step 2: Convert to fraction form
    3,900.16/5,851.68 = 2,341.28/x
  3. Step 3: Cross multiply
    3,900.16x = 5,851.68 × 2,341.28
  4. Step 4: Simplify right side
    3,900.16x = 13,700,421.35
  5. Step 5: Solve for x
    x = 13,700,421.35/3,900.16
  6. Step 6: Final answer
    x = 3,512.78

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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.