Home / 1,838.27-2,754.77-1,425.47

Finding the Fourth Proportional to 1,838.27, 2,754.77 and 1,425.47

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Solution

The fourth proportional to 1,838.27, 2,754.77 and 1,425.47 is: 2,136.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,838.27 : 2,754.77 = 1,425.47 : x
  2. Step 2: Convert to fraction form
    1,838.27/2,754.77 = 1,425.47/x
  3. Step 3: Cross multiply
    1,838.27x = 2,754.77 × 1,425.47
  4. Step 4: Simplify right side
    1,838.27x = 3,926,831.42
  5. Step 5: Solve for x
    x = 3,926,831.42/1,838.27
  6. Step 6: Final answer
    x = 2,136.16

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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.