Home / 2,835.98-4,248.32-2,216.80

Finding the Fourth Proportional to 2,835.98, 4,248.32 and 2,216.80

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Solution

The fourth proportional to 2,835.98, 4,248.32 and 2,216.80 is: 3,320.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,835.98 : 4,248.32 = 2,216.80 : x
  2. Step 2: Convert to fraction form
    2,835.98/4,248.32 = 2,216.80/x
  3. Step 3: Cross multiply
    2,835.98x = 4,248.32 × 2,216.80
  4. Step 4: Simplify right side
    2,835.98x = 9,417,675.78
  5. Step 5: Solve for x
    x = 9,417,675.78/2,835.98
  6. Step 6: Final answer
    x = 3,320.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.