Home / 3,081.49-4,602.56-2,788.54

Finding the Fourth Proportional to 3,081.49, 4,602.56 and 2,788.54

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Solution

The fourth proportional to 3,081.49, 4,602.56 and 2,788.54 is: 4,165.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081.49 : 4,602.56 = 2,788.54 : x
  2. Step 2: Convert to fraction form
    3,081.49/4,602.56 = 2,788.54/x
  3. Step 3: Cross multiply
    3,081.49x = 4,602.56 × 2,788.54
  4. Step 4: Simplify right side
    3,081.49x = 12,834,422.66
  5. Step 5: Solve for x
    x = 12,834,422.66/3,081.49
  6. Step 6: Final answer
    x = 4,165.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.