Home / 1,586.08-2,188.56-1,120.96

Finding the Fourth Proportional to 1,586.08, 2,188.56 and 1,120.96

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Solution

The fourth proportional to 1,586.08, 2,188.56 and 1,120.96 is: 1,546.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586.08 : 2,188.56 = 1,120.96 : x
  2. Step 2: Convert to fraction form
    1,586.08/2,188.56 = 1,120.96/x
  3. Step 3: Cross multiply
    1,586.08x = 2,188.56 × 1,120.96
  4. Step 4: Simplify right side
    1,586.08x = 2,453,288.22
  5. Step 5: Solve for x
    x = 2,453,288.22/1,586.08
  6. Step 6: Final answer
    x = 1,546.76

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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.