Home / 1,483.14-2,224.77-509.25

Finding the Fourth Proportional to 1,483.14, 2,224.77 and 509.25

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Solution

The fourth proportional to 1,483.14, 2,224.77 and 509.25 is: 763.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,483.14 : 2,224.77 = 509.25 : x
  2. Step 2: Convert to fraction form
    1,483.14/2,224.77 = 509.25/x
  3. Step 3: Cross multiply
    1,483.14x = 2,224.77 × 509.25
  4. Step 4: Simplify right side
    1,483.14x = 1,132,964.12
  5. Step 5: Solve for x
    x = 1,132,964.12/1,483.14
  6. Step 6: Final answer
    x = 763.90

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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.