Home / 1,968.84-2,952.99-1,236.15

Finding the Fourth Proportional to 1,968.84, 2,952.99 and 1,236.15

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Solution

The fourth proportional to 1,968.84, 2,952.99 and 1,236.15 is: 1,854.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,968.84 : 2,952.99 = 1,236.15 : x
  2. Step 2: Convert to fraction form
    1,968.84/2,952.99 = 1,236.15/x
  3. Step 3: Cross multiply
    1,968.84x = 2,952.99 × 1,236.15
  4. Step 4: Simplify right side
    1,968.84x = 3,650,338.59
  5. Step 5: Solve for x
    x = 3,650,338.59/1,968.84
  6. Step 6: Final answer
    x = 1,854.06

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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.