Home / 3,528.35-5,292.78-1,188.35

Finding the Fourth Proportional to 3,528.35, 5,292.78 and 1,188.35

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Solution

The fourth proportional to 3,528.35, 5,292.78 and 1,188.35 is: 1,782.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,528.35 : 5,292.78 = 1,188.35 : x
  2. Step 2: Convert to fraction form
    3,528.35/5,292.78 = 1,188.35/x
  3. Step 3: Cross multiply
    3,528.35x = 5,292.78 × 1,188.35
  4. Step 4: Simplify right side
    3,528.35x = 6,289,683.90
  5. Step 5: Solve for x
    x = 6,289,683.90/3,528.35
  6. Step 6: Final answer
    x = 1,782.61

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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.