Home / 2,571.11-3,562.80-2,415.05

Finding the Fourth Proportional to 2,571.11, 3,562.80 and 2,415.05

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Solution

The fourth proportional to 2,571.11, 3,562.80 and 2,415.05 is: 3,346.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,571.11 : 3,562.80 = 2,415.05 : x
  2. Step 2: Convert to fraction form
    2,571.11/3,562.80 = 2,415.05/x
  3. Step 3: Cross multiply
    2,571.11x = 3,562.80 × 2,415.05
  4. Step 4: Simplify right side
    2,571.11x = 8,604,340.14
  5. Step 5: Solve for x
    x = 8,604,340.14/2,571.11
  6. Step 6: Final answer
    x = 3,346.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.