Home / 2,831.13-3,907.26-1,652.58

Finding the Fourth Proportional to 2,831.13, 3,907.26 and 1,652.58

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Solution

The fourth proportional to 2,831.13, 3,907.26 and 1,652.58 is: 2,280.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,831.13 : 3,907.26 = 1,652.58 : x
  2. Step 2: Convert to fraction form
    2,831.13/3,907.26 = 1,652.58/x
  3. Step 3: Cross multiply
    2,831.13x = 3,907.26 × 1,652.58
  4. Step 4: Simplify right side
    2,831.13x = 6,457,059.73
  5. Step 5: Solve for x
    x = 6,457,059.73/2,831.13
  6. Step 6: Final answer
    x = 2,280.74

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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.