Home / 2,127.81-3,192.96-895.13

Finding the Fourth Proportional to 2,127.81, 3,192.96 and 895.13

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Solution

The fourth proportional to 2,127.81, 3,192.96 and 895.13 is: 1,343.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127.81 : 3,192.96 = 895.13 : x
  2. Step 2: Convert to fraction form
    2,127.81/3,192.96 = 895.13/x
  3. Step 3: Cross multiply
    2,127.81x = 3,192.96 × 895.13
  4. Step 4: Simplify right side
    2,127.81x = 2,858,098.32
  5. Step 5: Solve for x
    x = 2,858,098.32/2,127.81
  6. Step 6: Final answer
    x = 1,343.21

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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.