Home / 3,629.48-5,430.04-3,187.22

Finding the Fourth Proportional to 3,629.48, 5,430.04 and 3,187.22

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Solution

The fourth proportional to 3,629.48, 5,430.04 and 3,187.22 is: 4,768.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,629.48 : 5,430.04 = 3,187.22 : x
  2. Step 2: Convert to fraction form
    3,629.48/5,430.04 = 3,187.22/x
  3. Step 3: Cross multiply
    3,629.48x = 5,430.04 × 3,187.22
  4. Step 4: Simplify right side
    3,629.48x = 17,306,689.00
  5. Step 5: Solve for x
    x = 17,306,689.00/3,629.48
  6. Step 6: Final answer
    x = 4,768.37

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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.