Home / 1,801.98-2,701.65-1,215.52

Finding the Fourth Proportional to 1,801.98, 2,701.65 and 1,215.52

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Solution

The fourth proportional to 1,801.98, 2,701.65 and 1,215.52 is: 1,822.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,801.98 : 2,701.65 = 1,215.52 : x
  2. Step 2: Convert to fraction form
    1,801.98/2,701.65 = 1,215.52/x
  3. Step 3: Cross multiply
    1,801.98x = 2,701.65 × 1,215.52
  4. Step 4: Simplify right side
    1,801.98x = 3,283,909.61
  5. Step 5: Solve for x
    x = 3,283,909.61/1,801.98
  6. Step 6: Final answer
    x = 1,822.39

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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.