Home / 1,831.14-2,741.28-1,643.46

Finding the Fourth Proportional to 1,831.14, 2,741.28 and 1,643.46

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Solution

The fourth proportional to 1,831.14, 2,741.28 and 1,643.46 is: 2,460.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,831.14 : 2,741.28 = 1,643.46 : x
  2. Step 2: Convert to fraction form
    1,831.14/2,741.28 = 1,643.46/x
  3. Step 3: Cross multiply
    1,831.14x = 2,741.28 × 1,643.46
  4. Step 4: Simplify right side
    1,831.14x = 4,505,184.03
  5. Step 5: Solve for x
    x = 4,505,184.03/1,831.14
  6. Step 6: Final answer
    x = 2,460.32

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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.