Home / 2,453.16-3,678-1,153.92

Finding the Fourth Proportional to 2,453.16, 3,678 and 1,153.92

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Solution

The fourth proportional to 2,453.16, 3,678 and 1,153.92 is: 1,730.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,453.16 : 3,678 = 1,153.92 : x
  2. Step 2: Convert to fraction form
    2,453.16/3,678 = 1,153.92/x
  3. Step 3: Cross multiply
    2,453.16x = 3,678 × 1,153.92
  4. Step 4: Simplify right side
    2,453.16x = 4,244,117.76
  5. Step 5: Solve for x
    x = 4,244,117.76/2,453.16
  6. Step 6: Final answer
    x = 1,730.06

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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.