Home / 3,076.36-4,636.75-2,648.68

Finding the Fourth Proportional to 3,076.36, 4,636.75 and 2,648.68

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Solution

The fourth proportional to 3,076.36, 4,636.75 and 2,648.68 is: 3,992.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,076.36 : 4,636.75 = 2,648.68 : x
  2. Step 2: Convert to fraction form
    3,076.36/4,636.75 = 2,648.68/x
  3. Step 3: Cross multiply
    3,076.36x = 4,636.75 × 2,648.68
  4. Step 4: Simplify right side
    3,076.36x = 12,281,266.99
  5. Step 5: Solve for x
    x = 12,281,266.99/3,076.36
  6. Step 6: Final answer
    x = 3,992.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.