Home / 2,621.10-3,927.69-1,753.86

Finding the Fourth Proportional to 2,621.10, 3,927.69 and 1,753.86

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Solution

The fourth proportional to 2,621.10, 3,927.69 and 1,753.86 is: 2,628.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,621.10 : 3,927.69 = 1,753.86 : x
  2. Step 2: Convert to fraction form
    2,621.10/3,927.69 = 1,753.86/x
  3. Step 3: Cross multiply
    2,621.10x = 3,927.69 × 1,753.86
  4. Step 4: Simplify right side
    2,621.10x = 6,888,618.38
  5. Step 5: Solve for x
    x = 6,888,618.38/2,621.10
  6. Step 6: Final answer
    x = 2,628.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.