Home / 3,057.15-4,214.43-2,259.30

Finding the Fourth Proportional to 3,057.15, 4,214.43 and 2,259.30

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Solution

The fourth proportional to 3,057.15, 4,214.43 and 2,259.30 is: 3,114.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,057.15 : 4,214.43 = 2,259.30 : x
  2. Step 2: Convert to fraction form
    3,057.15/4,214.43 = 2,259.30/x
  3. Step 3: Cross multiply
    3,057.15x = 4,214.43 × 2,259.30
  4. Step 4: Simplify right side
    3,057.15x = 9,521,661.70
  5. Step 5: Solve for x
    x = 9,521,661.70/3,057.15
  6. Step 6: Final answer
    x = 3,114.55

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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.