Home / 2,588.07-3,571.44-1,409.12

Finding the Fourth Proportional to 2,588.07, 3,571.44 and 1,409.12

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Solution

The fourth proportional to 2,588.07, 3,571.44 and 1,409.12 is: 1,944.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,588.07 : 3,571.44 = 1,409.12 : x
  2. Step 2: Convert to fraction form
    2,588.07/3,571.44 = 1,409.12/x
  3. Step 3: Cross multiply
    2,588.07x = 3,571.44 × 1,409.12
  4. Step 4: Simplify right side
    2,588.07x = 5,032,569.68
  5. Step 5: Solve for x
    x = 5,032,569.68/2,588.07
  6. Step 6: Final answer
    x = 1,944.53

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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.