Home / 1,766.12-2,436-1,136.84

Finding the Fourth Proportional to 1,766.12, 2,436 and 1,136.84

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Solution

The fourth proportional to 1,766.12, 2,436 and 1,136.84 is: 1,568.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,766.12 : 2,436 = 1,136.84 : x
  2. Step 2: Convert to fraction form
    1,766.12/2,436 = 1,136.84/x
  3. Step 3: Cross multiply
    1,766.12x = 2,436 × 1,136.84
  4. Step 4: Simplify right side
    1,766.12x = 2,769,342.24
  5. Step 5: Solve for x
    x = 2,769,342.24/1,766.12
  6. Step 6: Final answer
    x = 1,568.04

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Double scale
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1.5x scale

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.