Home / 2,418.66-3,333.87-1,631.34

Finding the Fourth Proportional to 2,418.66, 3,333.87 and 1,631.34

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Solution

The fourth proportional to 2,418.66, 3,333.87 and 1,631.34 is: 2,248.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,418.66 : 3,333.87 = 1,631.34 : x
  2. Step 2: Convert to fraction form
    2,418.66/3,333.87 = 1,631.34/x
  3. Step 3: Cross multiply
    2,418.66x = 3,333.87 × 1,631.34
  4. Step 4: Simplify right side
    2,418.66x = 5,438,675.49
  5. Step 5: Solve for x
    x = 5,438,675.49/2,418.66
  6. Step 6: Final answer
    x = 2,248.63

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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.