Home / 1,453.16-2,181.24-723.27

Finding the Fourth Proportional to 1,453.16, 2,181.24 and 723.27

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Solution

The fourth proportional to 1,453.16, 2,181.24 and 723.27 is: 1,085.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,453.16 : 2,181.24 = 723.27 : x
  2. Step 2: Convert to fraction form
    1,453.16/2,181.24 = 723.27/x
  3. Step 3: Cross multiply
    1,453.16x = 2,181.24 × 723.27
  4. Step 4: Simplify right side
    1,453.16x = 1,577,625.45
  5. Step 5: Solve for x
    x = 1,577,625.45/1,453.16
  6. Step 6: Final answer
    x = 1,085.66

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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.