Home / 3,719.36-5,580.84-1,528.40

Finding the Fourth Proportional to 3,719.36, 5,580.84 and 1,528.40

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Solution

The fourth proportional to 3,719.36, 5,580.84 and 1,528.40 is: 2,293.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,719.36 : 5,580.84 = 1,528.40 : x
  2. Step 2: Convert to fraction form
    3,719.36/5,580.84 = 1,528.40/x
  3. Step 3: Cross multiply
    3,719.36x = 5,580.84 × 1,528.40
  4. Step 4: Simplify right side
    3,719.36x = 8,529,755.86
  5. Step 5: Solve for x
    x = 8,529,755.86/3,719.36
  6. Step 6: Final answer
    x = 2,293.34

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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.