Home / 2,768.40-4,173.33-2,585.08

Finding the Fourth Proportional to 2,768.40, 4,173.33 and 2,585.08

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Solution

The fourth proportional to 2,768.40, 4,173.33 and 2,585.08 is: 3,896.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768.40 : 4,173.33 = 2,585.08 : x
  2. Step 2: Convert to fraction form
    2,768.40/4,173.33 = 2,585.08/x
  3. Step 3: Cross multiply
    2,768.40x = 4,173.33 × 2,585.08
  4. Step 4: Simplify right side
    2,768.40x = 10,788,391.92
  5. Step 5: Solve for x
    x = 10,788,391.92/2,768.40
  6. Step 6: Final answer
    x = 3,896.98

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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.