Home / 3,345.22-5,021.07-1,615.06

Finding the Fourth Proportional to 3,345.22, 5,021.07 and 1,615.06

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Solution

The fourth proportional to 3,345.22, 5,021.07 and 1,615.06 is: 2,424.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.22 : 5,021.07 = 1,615.06 : x
  2. Step 2: Convert to fraction form
    3,345.22/5,021.07 = 1,615.06/x
  3. Step 3: Cross multiply
    3,345.22x = 5,021.07 × 1,615.06
  4. Step 4: Simplify right side
    3,345.22x = 8,109,329.31
  5. Step 5: Solve for x
    x = 8,109,329.31/3,345.22
  6. Step 6: Final answer
    x = 2,424.15

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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.