Home / 2,020.22-2,788.18-1,136.08

Finding the Fourth Proportional to 2,020.22, 2,788.18 and 1,136.08

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Solution

The fourth proportional to 2,020.22, 2,788.18 and 1,136.08 is: 1,567.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020.22 : 2,788.18 = 1,136.08 : x
  2. Step 2: Convert to fraction form
    2,020.22/2,788.18 = 1,136.08/x
  3. Step 3: Cross multiply
    2,020.22x = 2,788.18 × 1,136.08
  4. Step 4: Simplify right side
    2,020.22x = 3,167,595.53
  5. Step 5: Solve for x
    x = 3,167,595.53/2,020.22
  6. Step 6: Final answer
    x = 1,567.95

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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.