Home / 1,054.48-1,581.66-324.08

Finding the Fourth Proportional to 1,054.48, 1,581.66 and 324.08

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Solution

The fourth proportional to 1,054.48, 1,581.66 and 324.08 is: 486.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054.48 : 1,581.66 = 324.08 : x
  2. Step 2: Convert to fraction form
    1,054.48/1,581.66 = 324.08/x
  3. Step 3: Cross multiply
    1,054.48x = 1,581.66 × 324.08
  4. Step 4: Simplify right side
    1,054.48x = 512,584.37
  5. Step 5: Solve for x
    x = 512,584.37/1,054.48
  6. Step 6: Final answer
    x = 486.10

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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.