Home / 1,241.19-1,862.01-1,012.09

Finding the Fourth Proportional to 1,241.19, 1,862.01 and 1,012.09

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Solution

The fourth proportional to 1,241.19, 1,862.01 and 1,012.09 is: 1,518.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241.19 : 1,862.01 = 1,012.09 : x
  2. Step 2: Convert to fraction form
    1,241.19/1,862.01 = 1,012.09/x
  3. Step 3: Cross multiply
    1,241.19x = 1,862.01 × 1,012.09
  4. Step 4: Simplify right side
    1,241.19x = 1,884,521.70
  5. Step 5: Solve for x
    x = 1,884,521.70/1,241.19
  6. Step 6: Final answer
    x = 1,518.32

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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.