Home / 2,342.30-3,518.90-2,216.33

Finding the Fourth Proportional to 2,342.30, 3,518.90 and 2,216.33

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Solution

The fourth proportional to 2,342.30, 3,518.90 and 2,216.33 is: 3,329.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,342.30 : 3,518.90 = 2,216.33 : x
  2. Step 2: Convert to fraction form
    2,342.30/3,518.90 = 2,216.33/x
  3. Step 3: Cross multiply
    2,342.30x = 3,518.90 × 2,216.33
  4. Step 4: Simplify right side
    2,342.30x = 7,799,045.45
  5. Step 5: Solve for x
    x = 7,799,045.45/2,342.30
  6. Step 6: Final answer
    x = 3,329.65

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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.