Home / 3,050.25-4,207.79-1,929.30

Finding the Fourth Proportional to 3,050.25, 4,207.79 and 1,929.30

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Solution

The fourth proportional to 3,050.25, 4,207.79 and 1,929.30 is: 2,661.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,050.25 : 4,207.79 = 1,929.30 : x
  2. Step 2: Convert to fraction form
    3,050.25/4,207.79 = 1,929.30/x
  3. Step 3: Cross multiply
    3,050.25x = 4,207.79 × 1,929.30
  4. Step 4: Simplify right side
    3,050.25x = 8,118,089.25
  5. Step 5: Solve for x
    x = 8,118,089.25/3,050.25
  6. Step 6: Final answer
    x = 2,661.45

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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.