Home / 1,831.81-2,529.08-1,634.98

Finding the Fourth Proportional to 1,831.81, 2,529.08 and 1,634.98

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Solution

The fourth proportional to 1,831.81, 2,529.08 and 1,634.98 is: 2,257.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,831.81 : 2,529.08 = 1,634.98 : x
  2. Step 2: Convert to fraction form
    1,831.81/2,529.08 = 1,634.98/x
  3. Step 3: Cross multiply
    1,831.81x = 2,529.08 × 1,634.98
  4. Step 4: Simplify right side
    1,831.81x = 4,134,995.22
  5. Step 5: Solve for x
    x = 4,134,995.22/1,831.81
  6. Step 6: Final answer
    x = 2,257.33

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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.