Home / 2,491.24-3,434.32-1,742.88

Finding the Fourth Proportional to 2,491.24, 3,434.32 and 1,742.88

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Solution

The fourth proportional to 2,491.24, 3,434.32 and 1,742.88 is: 2,402.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,491.24 : 3,434.32 = 1,742.88 : x
  2. Step 2: Convert to fraction form
    2,491.24/3,434.32 = 1,742.88/x
  3. Step 3: Cross multiply
    2,491.24x = 3,434.32 × 1,742.88
  4. Step 4: Simplify right side
    2,491.24x = 5,985,607.64
  5. Step 5: Solve for x
    x = 5,985,607.64/2,491.24
  6. Step 6: Final answer
    x = 2,402.66

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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.