Home / 3,586.50-4,947.31-2,239.77

Finding the Fourth Proportional to 3,586.50, 4,947.31 and 2,239.77

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Solution

The fourth proportional to 3,586.50, 4,947.31 and 2,239.77 is: 3,089.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,586.50 : 4,947.31 = 2,239.77 : x
  2. Step 2: Convert to fraction form
    3,586.50/4,947.31 = 2,239.77/x
  3. Step 3: Cross multiply
    3,586.50x = 4,947.31 × 2,239.77
  4. Step 4: Simplify right side
    3,586.50x = 11,080,843.96
  5. Step 5: Solve for x
    x = 11,080,843.96/3,586.50
  6. Step 6: Final answer
    x = 3,089.60

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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.