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Finding the Fourth Proportional to 2,669.93, 4,004.29 and 722.29

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Solution

The fourth proportional to 2,669.93, 4,004.29 and 722.29 is: 1,083.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669.93 : 4,004.29 = 722.29 : x
  2. Step 2: Convert to fraction form
    2,669.93/4,004.29 = 722.29/x
  3. Step 3: Cross multiply
    2,669.93x = 4,004.29 × 722.29
  4. Step 4: Simplify right side
    2,669.93x = 2,892,246.81
  5. Step 5: Solve for x
    x = 2,892,246.81/2,669.93
  6. Step 6: Final answer
    x = 1,083.27

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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.