Home / 2,216.30-3,057.48-1,330.58

Finding the Fourth Proportional to 2,216.30, 3,057.48 and 1,330.58

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Solution

The fourth proportional to 2,216.30, 3,057.48 and 1,330.58 is: 1,835.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,216.30 : 3,057.48 = 1,330.58 : x
  2. Step 2: Convert to fraction form
    2,216.30/3,057.48 = 1,330.58/x
  3. Step 3: Cross multiply
    2,216.30x = 3,057.48 × 1,330.58
  4. Step 4: Simplify right side
    2,216.30x = 4,068,221.74
  5. Step 5: Solve for x
    x = 4,068,221.74/2,216.30
  6. Step 6: Final answer
    x = 1,835.59

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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.