Home / 2,333.18-3,219.79-1,285.24

Finding the Fourth Proportional to 2,333.18, 3,219.79 and 1,285.24

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Solution

The fourth proportional to 2,333.18, 3,219.79 and 1,285.24 is: 1,773.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,333.18 : 3,219.79 = 1,285.24 : x
  2. Step 2: Convert to fraction form
    2,333.18/3,219.79 = 1,285.24/x
  3. Step 3: Cross multiply
    2,333.18x = 3,219.79 × 1,285.24
  4. Step 4: Simplify right side
    2,333.18x = 4,138,207.33
  5. Step 5: Solve for x
    x = 4,138,207.33/2,333.18
  6. Step 6: Final answer
    x = 1,773.63

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1.5x scale

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.