Home / 3,807.06-5,255.45-2,235.25

Finding the Fourth Proportional to 3,807.06, 5,255.45 and 2,235.25

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Solution

The fourth proportional to 3,807.06, 5,255.45 and 2,235.25 is: 3,085.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,807.06 : 5,255.45 = 2,235.25 : x
  2. Step 2: Convert to fraction form
    3,807.06/5,255.45 = 2,235.25/x
  3. Step 3: Cross multiply
    3,807.06x = 5,255.45 × 2,235.25
  4. Step 4: Simplify right side
    3,807.06x = 11,747,244.61
  5. Step 5: Solve for x
    x = 11,747,244.61/3,807.06
  6. Step 6: Final answer
    x = 3,085.65

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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.