Home / 3,065.33-4,228.35-1,929.19

Finding the Fourth Proportional to 3,065.33, 4,228.35 and 1,929.19

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Solution

The fourth proportional to 3,065.33, 4,228.35 and 1,929.19 is: 2,661.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,065.33 : 4,228.35 = 1,929.19 : x
  2. Step 2: Convert to fraction form
    3,065.33/4,228.35 = 1,929.19/x
  3. Step 3: Cross multiply
    3,065.33x = 4,228.35 × 1,929.19
  4. Step 4: Simplify right side
    3,065.33x = 8,157,290.54
  5. Step 5: Solve for x
    x = 8,157,290.54/3,065.33
  6. Step 6: Final answer
    x = 2,661.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.