Home / 2,845.70-3,926.67-1,586.60

Finding the Fourth Proportional to 2,845.70, 3,926.67 and 1,586.60

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Solution

The fourth proportional to 2,845.70, 3,926.67 and 1,586.60 is: 2,189.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845.70 : 3,926.67 = 1,586.60 : x
  2. Step 2: Convert to fraction form
    2,845.70/3,926.67 = 1,586.60/x
  3. Step 3: Cross multiply
    2,845.70x = 3,926.67 × 1,586.60
  4. Step 4: Simplify right side
    2,845.70x = 6,230,043.76
  5. Step 5: Solve for x
    x = 6,230,043.76/2,845.70
  6. Step 6: Final answer
    x = 2,189.28

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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.