Home / 2,330.13-3,215.43-1,267.88

Finding the Fourth Proportional to 2,330.13, 3,215.43 and 1,267.88

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Solution

The fourth proportional to 2,330.13, 3,215.43 and 1,267.88 is: 1,749.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,330.13 : 3,215.43 = 1,267.88 : x
  2. Step 2: Convert to fraction form
    2,330.13/3,215.43 = 1,267.88/x
  3. Step 3: Cross multiply
    2,330.13x = 3,215.43 × 1,267.88
  4. Step 4: Simplify right side
    2,330.13x = 4,076,773.05
  5. Step 5: Solve for x
    x = 4,076,773.05/2,330.13
  6. Step 6: Final answer
    x = 1,749.59

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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.