Home / 2,871.37-4,314.35-1,831.87

Finding the Fourth Proportional to 2,871.37, 4,314.35 and 1,831.87

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Solution

The fourth proportional to 2,871.37, 4,314.35 and 1,831.87 is: 2,752.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,871.37 : 4,314.35 = 1,831.87 : x
  2. Step 2: Convert to fraction form
    2,871.37/4,314.35 = 1,831.87/x
  3. Step 3: Cross multiply
    2,871.37x = 4,314.35 × 1,831.87
  4. Step 4: Simplify right side
    2,871.37x = 7,903,328.33
  5. Step 5: Solve for x
    x = 7,903,328.33/2,871.37
  6. Step 6: Final answer
    x = 2,752.46

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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.