Home / 3,807.70-5,254.07-2,236.30

Finding the Fourth Proportional to 3,807.70, 5,254.07 and 2,236.30

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Solution

The fourth proportional to 3,807.70, 5,254.07 and 2,236.30 is: 3,085.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,807.70 : 5,254.07 = 2,236.30 : x
  2. Step 2: Convert to fraction form
    3,807.70/5,254.07 = 2,236.30/x
  3. Step 3: Cross multiply
    3,807.70x = 5,254.07 × 2,236.30
  4. Step 4: Simplify right side
    3,807.70x = 11,749,676.74
  5. Step 5: Solve for x
    x = 11,749,676.74/3,807.70
  6. Step 6: Final answer
    x = 3,085.77

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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.