Home / 1,839.60-2,539.48-1,177.34

Finding the Fourth Proportional to 1,839.60, 2,539.48 and 1,177.34

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Solution

The fourth proportional to 1,839.60, 2,539.48 and 1,177.34 is: 1,625.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,839.60 : 2,539.48 = 1,177.34 : x
  2. Step 2: Convert to fraction form
    1,839.60/2,539.48 = 1,177.34/x
  3. Step 3: Cross multiply
    1,839.60x = 2,539.48 × 1,177.34
  4. Step 4: Simplify right side
    1,839.60x = 2,989,831.38
  5. Step 5: Solve for x
    x = 2,989,831.38/1,839.60
  6. Step 6: Final answer
    x = 1,625.26

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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.