Home / 2,850.34-3,929.97-2,064.10

Finding the Fourth Proportional to 2,850.34, 3,929.97 and 2,064.10

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Solution

The fourth proportional to 2,850.34, 3,929.97 and 2,064.10 is: 2,845.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850.34 : 3,929.97 = 2,064.10 : x
  2. Step 2: Convert to fraction form
    2,850.34/3,929.97 = 2,064.10/x
  3. Step 3: Cross multiply
    2,850.34x = 3,929.97 × 2,064.10
  4. Step 4: Simplify right side
    2,850.34x = 8,111,851.08
  5. Step 5: Solve for x
    x = 8,111,851.08/2,850.34
  6. Step 6: Final answer
    x = 2,845.92

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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.