Home / 3,529.52-5,292.41-1,188.75

Finding the Fourth Proportional to 3,529.52, 5,292.41 and 1,188.75

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Solution

The fourth proportional to 3,529.52, 5,292.41 and 1,188.75 is: 1,782.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529.52 : 5,292.41 = 1,188.75 : x
  2. Step 2: Convert to fraction form
    3,529.52/5,292.41 = 1,188.75/x
  3. Step 3: Cross multiply
    3,529.52x = 5,292.41 × 1,188.75
  4. Step 4: Simplify right side
    3,529.52x = 6,291,352.39
  5. Step 5: Solve for x
    x = 6,291,352.39/3,529.52
  6. Step 6: Final answer
    x = 1,782.50

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Double scale
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1.5x scale

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.