Home / 3,785.52-5,679.14-1,153.40

Finding the Fourth Proportional to 3,785.52, 5,679.14 and 1,153.40

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Solution

The fourth proportional to 3,785.52, 5,679.14 and 1,153.40 is: 1,730.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,785.52 : 5,679.14 = 1,153.40 : x
  2. Step 2: Convert to fraction form
    3,785.52/5,679.14 = 1,153.40/x
  3. Step 3: Cross multiply
    3,785.52x = 5,679.14 × 1,153.40
  4. Step 4: Simplify right side
    3,785.52x = 6,550,320.08
  5. Step 5: Solve for x
    x = 6,550,320.08/3,785.52
  6. Step 6: Final answer
    x = 1,730.36

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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.