Home / 2,127.74-3,192.02-741.30

Finding the Fourth Proportional to 2,127.74, 3,192.02 and 741.30

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Solution

The fourth proportional to 2,127.74, 3,192.02 and 741.30 is: 1,112.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127.74 : 3,192.02 = 741.30 : x
  2. Step 2: Convert to fraction form
    2,127.74/3,192.02 = 741.30/x
  3. Step 3: Cross multiply
    2,127.74x = 3,192.02 × 741.30
  4. Step 4: Simplify right side
    2,127.74x = 2,366,244.43
  5. Step 5: Solve for x
    x = 2,366,244.43/2,127.74
  6. Step 6: Final answer
    x = 1,112.09

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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.