Home / 2,562.40-3,538.32-2,216.80

Finding the Fourth Proportional to 2,562.40, 3,538.32 and 2,216.80

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Solution

The fourth proportional to 2,562.40, 3,538.32 and 2,216.80 is: 3,061.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,562.40 : 3,538.32 = 2,216.80 : x
  2. Step 2: Convert to fraction form
    2,562.40/3,538.32 = 2,216.80/x
  3. Step 3: Cross multiply
    2,562.40x = 3,538.32 × 2,216.80
  4. Step 4: Simplify right side
    2,562.40x = 7,843,747.78
  5. Step 5: Solve for x
    x = 7,843,747.78/2,562.40
  6. Step 6: Final answer
    x = 3,061.09

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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.