Home / 1,153.24-1,593.32-1,145

Finding the Fourth Proportional to 1,153.24, 1,593.32 and 1,145

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Solution

The fourth proportional to 1,153.24, 1,593.32 and 1,145 is: 1,581.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153.24 : 1,593.32 = 1,145 : x
  2. Step 2: Convert to fraction form
    1,153.24/1,593.32 = 1,145/x
  3. Step 3: Cross multiply
    1,153.24x = 1,593.32 × 1,145
  4. Step 4: Simplify right side
    1,153.24x = 1,824,351.40
  5. Step 5: Solve for x
    x = 1,824,351.40/1,153.24
  6. Step 6: Final answer
    x = 1,581.94

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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.