Home / 1,831.17-2,749.13-1,572.84

Finding the Fourth Proportional to 1,831.17, 2,749.13 and 1,572.84

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Solution

The fourth proportional to 1,831.17, 2,749.13 and 1,572.84 is: 2,361.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,831.17 : 2,749.13 = 1,572.84 : x
  2. Step 2: Convert to fraction form
    1,831.17/2,749.13 = 1,572.84/x
  3. Step 3: Cross multiply
    1,831.17x = 2,749.13 × 1,572.84
  4. Step 4: Simplify right side
    1,831.17x = 4,323,933.77
  5. Step 5: Solve for x
    x = 4,323,933.77/1,831.17
  6. Step 6: Final answer
    x = 2,361.30

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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.