Home / 2,453.24-3,679.44-1,118.72

Finding the Fourth Proportional to 2,453.24, 3,679.44 and 1,118.72

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Solution

The fourth proportional to 2,453.24, 3,679.44 and 1,118.72 is: 1,677.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,453.24 : 3,679.44 = 1,118.72 : x
  2. Step 2: Convert to fraction form
    2,453.24/3,679.44 = 1,118.72/x
  3. Step 3: Cross multiply
    2,453.24x = 3,679.44 × 1,118.72
  4. Step 4: Simplify right side
    2,453.24x = 4,116,263.12
  5. Step 5: Solve for x
    x = 4,116,263.12/2,453.24
  6. Step 6: Final answer
    x = 1,677.89

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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.