Home / 3,586.56-4,947.42-2,259.78

Finding the Fourth Proportional to 3,586.56, 4,947.42 and 2,259.78

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Solution

The fourth proportional to 3,586.56, 4,947.42 and 2,259.78 is: 3,117.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,586.56 : 4,947.42 = 2,259.78 : x
  2. Step 2: Convert to fraction form
    3,586.56/4,947.42 = 2,259.78/x
  3. Step 3: Cross multiply
    3,586.56x = 4,947.42 × 2,259.78
  4. Step 4: Simplify right side
    3,586.56x = 11,180,080.77
  5. Step 5: Solve for x
    x = 11,180,080.77/3,586.56
  6. Step 6: Final answer
    x = 3,117.22

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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.