Home / 2,136.52-2,948.48-1,205

Finding the Fourth Proportional to 2,136.52, 2,948.48 and 1,205

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Solution

The fourth proportional to 2,136.52, 2,948.48 and 1,205 is: 1,662.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136.52 : 2,948.48 = 1,205 : x
  2. Step 2: Convert to fraction form
    2,136.52/2,948.48 = 1,205/x
  3. Step 3: Cross multiply
    2,136.52x = 2,948.48 × 1,205
  4. Step 4: Simplify right side
    2,136.52x = 3,552,918.40
  5. Step 5: Solve for x
    x = 3,552,918.40/2,136.52
  6. Step 6: Final answer
    x = 1,662.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.