Home / 1,831.37-2,526.14-1,201.92

Finding the Fourth Proportional to 1,831.37, 2,526.14 and 1,201.92

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Solution

The fourth proportional to 1,831.37, 2,526.14 and 1,201.92 is: 1,657.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,831.37 : 2,526.14 = 1,201.92 : x
  2. Step 2: Convert to fraction form
    1,831.37/2,526.14 = 1,201.92/x
  3. Step 3: Cross multiply
    1,831.37x = 2,526.14 × 1,201.92
  4. Step 4: Simplify right side
    1,831.37x = 3,036,212.18
  5. Step 5: Solve for x
    x = 3,036,212.18/1,831.37
  6. Step 6: Final answer
    x = 1,657.90

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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.