Home / 3,845.03-5,746.48-2,807.22

Finding the Fourth Proportional to 3,845.03, 5,746.48 and 2,807.22

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Solution

The fourth proportional to 3,845.03, 5,746.48 and 2,807.22 is: 4,195.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,845.03 : 5,746.48 = 2,807.22 : x
  2. Step 2: Convert to fraction form
    3,845.03/5,746.48 = 2,807.22/x
  3. Step 3: Cross multiply
    3,845.03x = 5,746.48 × 2,807.22
  4. Step 4: Simplify right side
    3,845.03x = 16,131,639.85
  5. Step 5: Solve for x
    x = 16,131,639.85/3,845.03
  6. Step 6: Final answer
    x = 4,195.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.