Home / 2,439.11-3,366.02-1,377.09

Finding the Fourth Proportional to 2,439.11, 3,366.02 and 1,377.09

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Solution

The fourth proportional to 2,439.11, 3,366.02 and 1,377.09 is: 1,900.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,439.11 : 3,366.02 = 1,377.09 : x
  2. Step 2: Convert to fraction form
    2,439.11/3,366.02 = 1,377.09/x
  3. Step 3: Cross multiply
    2,439.11x = 3,366.02 × 1,377.09
  4. Step 4: Simplify right side
    2,439.11x = 4,635,305.60
  5. Step 5: Solve for x
    x = 4,635,305.60/2,439.11
  6. Step 6: Final answer
    x = 1,900.41

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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.