Home / 3,050.12-4,207.62-1,929.17

Finding the Fourth Proportional to 3,050.12, 4,207.62 and 1,929.17

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Solution

The fourth proportional to 3,050.12, 4,207.62 and 1,929.17 is: 2,661.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,050.12 : 4,207.62 = 1,929.17 : x
  2. Step 2: Convert to fraction form
    3,050.12/4,207.62 = 1,929.17/x
  3. Step 3: Cross multiply
    3,050.12x = 4,207.62 × 1,929.17
  4. Step 4: Simplify right side
    3,050.12x = 8,117,214.28
  5. Step 5: Solve for x
    x = 8,117,214.28/3,050.12
  6. Step 6: Final answer
    x = 2,661.28

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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.