Home / 1,968.82-2,952.98-1,236.16

Finding the Fourth Proportional to 1,968.82, 2,952.98 and 1,236.16

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Solution

The fourth proportional to 1,968.82, 2,952.98 and 1,236.16 is: 1,854.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,968.82 : 2,952.98 = 1,236.16 : x
  2. Step 2: Convert to fraction form
    1,968.82/2,952.98 = 1,236.16/x
  3. Step 3: Cross multiply
    1,968.82x = 2,952.98 × 1,236.16
  4. Step 4: Simplify right side
    1,968.82x = 3,650,355.76
  5. Step 5: Solve for x
    x = 3,650,355.76/1,968.82
  6. Step 6: Final answer
    x = 1,854.08

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1.5x scale

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.