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Finding the Fourth Proportional to 2,626.89, 3,625.07 and 1,448.07

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Solution

The fourth proportional to 2,626.89, 3,625.07 and 1,448.07 is: 1,998.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,626.89 : 3,625.07 = 1,448.07 : x
  2. Step 2: Convert to fraction form
    2,626.89/3,625.07 = 1,448.07/x
  3. Step 3: Cross multiply
    2,626.89x = 3,625.07 × 1,448.07
  4. Step 4: Simplify right side
    2,626.89x = 5,249,347.87
  5. Step 5: Solve for x
    x = 5,249,347.87/2,626.89
  6. Step 6: Final answer
    x = 1,998.31

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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.