Home / 2,455.11-3,388.14-1,461.15

Finding the Fourth Proportional to 2,455.11, 3,388.14 and 1,461.15

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Solution

The fourth proportional to 2,455.11, 3,388.14 and 1,461.15 is: 2,016.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,455.11 : 3,388.14 = 1,461.15 : x
  2. Step 2: Convert to fraction form
    2,455.11/3,388.14 = 1,461.15/x
  3. Step 3: Cross multiply
    2,455.11x = 3,388.14 × 1,461.15
  4. Step 4: Simplify right side
    2,455.11x = 4,950,580.76
  5. Step 5: Solve for x
    x = 4,950,580.76/2,455.11
  6. Step 6: Final answer
    x = 2,016.44

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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.