Home / 2,625.92-3,621.84-2,276

Finding the Fourth Proportional to 2,625.92, 3,621.84 and 2,276

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Solution

The fourth proportional to 2,625.92, 3,621.84 and 2,276 is: 3,139.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,625.92 : 3,621.84 = 2,276 : x
  2. Step 2: Convert to fraction form
    2,625.92/3,621.84 = 2,276/x
  3. Step 3: Cross multiply
    2,625.92x = 3,621.84 × 2,276
  4. Step 4: Simplify right side
    2,625.92x = 8,243,307.84
  5. Step 5: Solve for x
    x = 8,243,307.84/2,625.92
  6. Step 6: Final answer
    x = 3,139.21

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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.