Home / 2,571.68-3,550.44-1,689.02

Finding the Fourth Proportional to 2,571.68, 3,550.44 and 1,689.02

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Solution

The fourth proportional to 2,571.68, 3,550.44 and 1,689.02 is: 2,331.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,571.68 : 3,550.44 = 1,689.02 : x
  2. Step 2: Convert to fraction form
    2,571.68/3,550.44 = 1,689.02/x
  3. Step 3: Cross multiply
    2,571.68x = 3,550.44 × 1,689.02
  4. Step 4: Simplify right side
    2,571.68x = 5,996,746.42
  5. Step 5: Solve for x
    x = 5,996,746.42/2,571.68
  6. Step 6: Final answer
    x = 2,331.84

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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.