Home / 1,496.48-2,245.76-619.78

Finding the Fourth Proportional to 1,496.48, 2,245.76 and 619.78

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Solution

The fourth proportional to 1,496.48, 2,245.76 and 619.78 is: 930.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,496.48 : 2,245.76 = 619.78 : x
  2. Step 2: Convert to fraction form
    1,496.48/2,245.76 = 619.78/x
  3. Step 3: Cross multiply
    1,496.48x = 2,245.76 × 619.78
  4. Step 4: Simplify right side
    1,496.48x = 1,391,862.81
  5. Step 5: Solve for x
    x = 1,391,862.81/1,496.48
  6. Step 6: Final answer
    x = 930.09

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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.