Home / 2,588.12-3,571.56-1,409.18

Finding the Fourth Proportional to 2,588.12, 3,571.56 and 1,409.18

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Solution

The fourth proportional to 2,588.12, 3,571.56 and 1,409.18 is: 1,944.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,588.12 : 3,571.56 = 1,409.18 : x
  2. Step 2: Convert to fraction form
    2,588.12/3,571.56 = 1,409.18/x
  3. Step 3: Cross multiply
    2,588.12x = 3,571.56 × 1,409.18
  4. Step 4: Simplify right side
    2,588.12x = 5,032,970.92
  5. Step 5: Solve for x
    x = 5,032,970.92/2,588.12
  6. Step 6: Final answer
    x = 1,944.64

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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.