Home / 2,803.11-4,205.30-929.00

Finding the Fourth Proportional to 2,803.11, 4,205.30 and 929.00

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Solution

The fourth proportional to 2,803.11, 4,205.30 and 929.00 is: 1,393.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,803.11 : 4,205.30 = 929.00 : x
  2. Step 2: Convert to fraction form
    2,803.11/4,205.30 = 929.00/x
  3. Step 3: Cross multiply
    2,803.11x = 4,205.30 × 929.00
  4. Step 4: Simplify right side
    2,803.11x = 3,906,705.00
  5. Step 5: Solve for x
    x = 3,906,705.00/2,803.11
  6. Step 6: Final answer
    x = 1,393.70

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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.