Home / 1,196.10-1,802.90-1,146.66

Finding the Fourth Proportional to 1,196.10, 1,802.90 and 1,146.66

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Solution

The fourth proportional to 1,196.10, 1,802.90 and 1,146.66 is: 1,728.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196.10 : 1,802.90 = 1,146.66 : x
  2. Step 2: Convert to fraction form
    1,196.10/1,802.90 = 1,146.66/x
  3. Step 3: Cross multiply
    1,196.10x = 1,802.90 × 1,146.66
  4. Step 4: Simplify right side
    1,196.10x = 2,067,307.58
  5. Step 5: Solve for x
    x = 2,067,307.58/1,196.10
  6. Step 6: Final answer
    x = 1,728.37

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.