Home / 1,619.69-2,429.54-524.03

Finding the Fourth Proportional to 1,619.69, 2,429.54 and 524.03

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Solution

The fourth proportional to 1,619.69, 2,429.54 and 524.03 is: 786.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619.69 : 2,429.54 = 524.03 : x
  2. Step 2: Convert to fraction form
    1,619.69/2,429.54 = 524.03/x
  3. Step 3: Cross multiply
    1,619.69x = 2,429.54 × 524.03
  4. Step 4: Simplify right side
    1,619.69x = 1,273,144.40
  5. Step 5: Solve for x
    x = 1,273,144.40/1,619.69
  6. Step 6: Final answer
    x = 786.04

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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.