Home / 1,831.80-2,526.44-1,241.30

Finding the Fourth Proportional to 1,831.80, 2,526.44 and 1,241.30

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Solution

The fourth proportional to 1,831.80, 2,526.44 and 1,241.30 is: 1,712.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,831.80 : 2,526.44 = 1,241.30 : x
  2. Step 2: Convert to fraction form
    1,831.80/2,526.44 = 1,241.30/x
  3. Step 3: Cross multiply
    1,831.80x = 2,526.44 × 1,241.30
  4. Step 4: Simplify right side
    1,831.80x = 3,136,069.97
  5. Step 5: Solve for x
    x = 3,136,069.97/1,831.80
  6. Step 6: Final answer
    x = 1,712.02

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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.