Home / 3,250.66-4,484.85-1,990.41

Finding the Fourth Proportional to 3,250.66, 4,484.85 and 1,990.41

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Solution

The fourth proportional to 3,250.66, 4,484.85 and 1,990.41 is: 2,746.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,250.66 : 4,484.85 = 1,990.41 : x
  2. Step 2: Convert to fraction form
    3,250.66/4,484.85 = 1,990.41/x
  3. Step 3: Cross multiply
    3,250.66x = 4,484.85 × 1,990.41
  4. Step 4: Simplify right side
    3,250.66x = 8,926,690.29
  5. Step 5: Solve for x
    x = 8,926,690.29/3,250.66
  6. Step 6: Final answer
    x = 2,746.12

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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.