Home / 2,272.96-3,136.80-1,341.44

Finding the Fourth Proportional to 2,272.96, 3,136.80 and 1,341.44

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Solution

The fourth proportional to 2,272.96, 3,136.80 and 1,341.44 is: 1,851.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,272.96 : 3,136.80 = 1,341.44 : x
  2. Step 2: Convert to fraction form
    2,272.96/3,136.80 = 1,341.44/x
  3. Step 3: Cross multiply
    2,272.96x = 3,136.80 × 1,341.44
  4. Step 4: Simplify right side
    2,272.96x = 4,207,828.99
  5. Step 5: Solve for x
    x = 4,207,828.99/2,272.96
  6. Step 6: Final answer
    x = 1,851.26

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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.