Home / 2,218.06-3,325.65-1,244.80

Finding the Fourth Proportional to 2,218.06, 3,325.65 and 1,244.80

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Solution

The fourth proportional to 2,218.06, 3,325.65 and 1,244.80 is: 1,866.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,218.06 : 3,325.65 = 1,244.80 : x
  2. Step 2: Convert to fraction form
    2,218.06/3,325.65 = 1,244.80/x
  3. Step 3: Cross multiply
    2,218.06x = 3,325.65 × 1,244.80
  4. Step 4: Simplify right side
    2,218.06x = 4,139,769.12
  5. Step 5: Solve for x
    x = 4,139,769.12/2,218.06
  6. Step 6: Final answer
    x = 1,866.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.