Home / 1,922.19-2,652.48-1,136.08

Finding the Fourth Proportional to 1,922.19, 2,652.48 and 1,136.08

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Solution

The fourth proportional to 1,922.19, 2,652.48 and 1,136.08 is: 1,567.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,922.19 : 2,652.48 = 1,136.08 : x
  2. Step 2: Convert to fraction form
    1,922.19/2,652.48 = 1,136.08/x
  3. Step 3: Cross multiply
    1,922.19x = 2,652.48 × 1,136.08
  4. Step 4: Simplify right side
    1,922.19x = 3,013,423.80
  5. Step 5: Solve for x
    x = 3,013,423.80/1,922.19
  6. Step 6: Final answer
    x = 1,567.71

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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.