Home / 3,415.25-5,130.57-2,029.49

Finding the Fourth Proportional to 3,415.25, 5,130.57 and 2,029.49

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Solution

The fourth proportional to 3,415.25, 5,130.57 and 2,029.49 is: 3,048.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,415.25 : 5,130.57 = 2,029.49 : x
  2. Step 2: Convert to fraction form
    3,415.25/5,130.57 = 2,029.49/x
  3. Step 3: Cross multiply
    3,415.25x = 5,130.57 × 2,029.49
  4. Step 4: Simplify right side
    3,415.25x = 10,412,440.51
  5. Step 5: Solve for x
    x = 10,412,440.51/3,415.25
  6. Step 6: Final answer
    x = 3,048.81

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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.