Home / 1,483.13-2,224.70-387.49

Finding the Fourth Proportional to 1,483.13, 2,224.70 and 387.49

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Solution

The fourth proportional to 1,483.13, 2,224.70 and 387.49 is: 581.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,483.13 : 2,224.70 = 387.49 : x
  2. Step 2: Convert to fraction form
    1,483.13/2,224.70 = 387.49/x
  3. Step 3: Cross multiply
    1,483.13x = 2,224.70 × 387.49
  4. Step 4: Simplify right side
    1,483.13x = 862,039.21
  5. Step 5: Solve for x
    x = 862,039.21/1,483.13
  6. Step 6: Final answer
    x = 581.23

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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.