Home / 1,831.56-2,741.40-1,173.84

Finding the Fourth Proportional to 1,831.56, 2,741.40 and 1,173.84

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Solution

The fourth proportional to 1,831.56, 2,741.40 and 1,173.84 is: 1,756.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,831.56 : 2,741.40 = 1,173.84 : x
  2. Step 2: Convert to fraction form
    1,831.56/2,741.40 = 1,173.84/x
  3. Step 3: Cross multiply
    1,831.56x = 2,741.40 × 1,173.84
  4. Step 4: Simplify right side
    1,831.56x = 3,217,964.98
  5. Step 5: Solve for x
    x = 3,217,964.98/1,831.56
  6. Step 6: Final answer
    x = 1,756.95

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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.