Home / 1,829.36-2,743.98-530.80

Finding the Fourth Proportional to 1,829.36, 2,743.98 and 530.80

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Solution

The fourth proportional to 1,829.36, 2,743.98 and 530.80 is: 796.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,829.36 : 2,743.98 = 530.80 : x
  2. Step 2: Convert to fraction form
    1,829.36/2,743.98 = 530.80/x
  3. Step 3: Cross multiply
    1,829.36x = 2,743.98 × 530.80
  4. Step 4: Simplify right side
    1,829.36x = 1,456,504.58
  5. Step 5: Solve for x
    x = 1,456,504.58/1,829.36
  6. Step 6: Final answer
    x = 796.18

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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.