Home / 3,401.05-4,686.68-2,455.17

Finding the Fourth Proportional to 3,401.05, 4,686.68 and 2,455.17

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Solution

The fourth proportional to 3,401.05, 4,686.68 and 2,455.17 is: 3,383.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,401.05 : 4,686.68 = 2,455.17 : x
  2. Step 2: Convert to fraction form
    3,401.05/4,686.68 = 2,455.17/x
  3. Step 3: Cross multiply
    3,401.05x = 4,686.68 × 2,455.17
  4. Step 4: Simplify right side
    3,401.05x = 11,506,583.86
  5. Step 5: Solve for x
    x = 11,506,583.86/3,401.05
  6. Step 6: Final answer
    x = 3,383.24

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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.