Home / 2,666.09-3,999.08-1,204.22

Finding the Fourth Proportional to 2,666.09, 3,999.08 and 1,204.22

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Solution

The fourth proportional to 2,666.09, 3,999.08 and 1,204.22 is: 1,806.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,666.09 : 3,999.08 = 1,204.22 : x
  2. Step 2: Convert to fraction form
    2,666.09/3,999.08 = 1,204.22/x
  3. Step 3: Cross multiply
    2,666.09x = 3,999.08 × 1,204.22
  4. Step 4: Simplify right side
    2,666.09x = 4,815,746.10
  5. Step 5: Solve for x
    x = 4,815,746.10/2,666.09
  6. Step 6: Final answer
    x = 1,806.30

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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.