Home / 3,377.81-4,660.65-2,118.26

Finding the Fourth Proportional to 3,377.81, 4,660.65 and 2,118.26

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Solution

The fourth proportional to 3,377.81, 4,660.65 and 2,118.26 is: 2,922.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,377.81 : 4,660.65 = 2,118.26 : x
  2. Step 2: Convert to fraction form
    3,377.81/4,660.65 = 2,118.26/x
  3. Step 3: Cross multiply
    3,377.81x = 4,660.65 × 2,118.26
  4. Step 4: Simplify right side
    3,377.81x = 9,872,445.17
  5. Step 5: Solve for x
    x = 9,872,445.17/3,377.81
  6. Step 6: Final answer
    x = 2,922.74

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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.