Home / 2,803.45-3,864.53-2,305.23

Finding the Fourth Proportional to 2,803.45, 3,864.53 and 2,305.23

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Solution

The fourth proportional to 2,803.45, 3,864.53 and 2,305.23 is: 3,177.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,803.45 : 3,864.53 = 2,305.23 : x
  2. Step 2: Convert to fraction form
    2,803.45/3,864.53 = 2,305.23/x
  3. Step 3: Cross multiply
    2,803.45x = 3,864.53 × 2,305.23
  4. Step 4: Simplify right side
    2,803.45x = 8,908,630.49
  5. Step 5: Solve for x
    x = 8,908,630.49/2,803.45
  6. Step 6: Final answer
    x = 3,177.74

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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.