Home / 1,496.48-2,243.20-571.80

Finding the Fourth Proportional to 1,496.48, 2,243.20 and 571.80

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Solution

The fourth proportional to 1,496.48, 2,243.20 and 571.80 is: 857.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,496.48 : 2,243.20 = 571.80 : x
  2. Step 2: Convert to fraction form
    1,496.48/2,243.20 = 571.80/x
  3. Step 3: Cross multiply
    1,496.48x = 2,243.20 × 571.80
  4. Step 4: Simplify right side
    1,496.48x = 1,282,661.76
  5. Step 5: Solve for x
    x = 1,282,661.76/1,496.48
  6. Step 6: Final answer
    x = 857.12

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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.