Home / 3,195.39-4,792.85-1,440.32

Finding the Fourth Proportional to 3,195.39, 4,792.85 and 1,440.32

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Solution

The fourth proportional to 3,195.39, 4,792.85 and 1,440.32 is: 2,160.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195.39 : 4,792.85 = 1,440.32 : x
  2. Step 2: Convert to fraction form
    3,195.39/4,792.85 = 1,440.32/x
  3. Step 3: Cross multiply
    3,195.39x = 4,792.85 × 1,440.32
  4. Step 4: Simplify right side
    3,195.39x = 6,903,237.71
  5. Step 5: Solve for x
    x = 6,903,237.71/3,195.39
  6. Step 6: Final answer
    x = 2,160.37

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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.