Home / 3,738.40-5,607.55-1,141.35

Finding the Fourth Proportional to 3,738.40, 5,607.55 and 1,141.35

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Solution

The fourth proportional to 3,738.40, 5,607.55 and 1,141.35 is: 1,712.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,738.40 : 5,607.55 = 1,141.35 : x
  2. Step 2: Convert to fraction form
    3,738.40/5,607.55 = 1,141.35/x
  3. Step 3: Cross multiply
    3,738.40x = 5,607.55 × 1,141.35
  4. Step 4: Simplify right side
    3,738.40x = 6,400,177.19
  5. Step 5: Solve for x
    x = 6,400,177.19/3,738.40
  6. Step 6: Final answer
    x = 1,712.01

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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.