Home / 1,530.98-2,296.82-1,219.80

Finding the Fourth Proportional to 1,530.98, 2,296.82 and 1,219.80

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Solution

The fourth proportional to 1,530.98, 2,296.82 and 1,219.80 is: 1,829.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,530.98 : 2,296.82 = 1,219.80 : x
  2. Step 2: Convert to fraction form
    1,530.98/2,296.82 = 1,219.80/x
  3. Step 3: Cross multiply
    1,530.98x = 2,296.82 × 1,219.80
  4. Step 4: Simplify right side
    1,530.98x = 2,801,661.04
  5. Step 5: Solve for x
    x = 2,801,661.04/1,530.98
  6. Step 6: Final answer
    x = 1,829.98

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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.