Home / 2,118.09-3,164.60-2,045.41

Finding the Fourth Proportional to 2,118.09, 3,164.60 and 2,045.41

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Solution

The fourth proportional to 2,118.09, 3,164.60 and 2,045.41 is: 3,056.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118.09 : 3,164.60 = 2,045.41 : x
  2. Step 2: Convert to fraction form
    2,118.09/3,164.60 = 2,045.41/x
  3. Step 3: Cross multiply
    2,118.09x = 3,164.60 × 2,045.41
  4. Step 4: Simplify right side
    2,118.09x = 6,472,919.62
  5. Step 5: Solve for x
    x = 6,472,919.62/2,118.09
  6. Step 6: Final answer
    x = 3,056.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.