Home / 1,529.06-2,287.92-913.10

Finding the Fourth Proportional to 1,529.06, 2,287.92 and 913.10

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Solution

The fourth proportional to 1,529.06, 2,287.92 and 913.10 is: 1,366.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,529.06 : 2,287.92 = 913.10 : x
  2. Step 2: Convert to fraction form
    1,529.06/2,287.92 = 913.10/x
  3. Step 3: Cross multiply
    1,529.06x = 2,287.92 × 913.10
  4. Step 4: Simplify right side
    1,529.06x = 2,089,099.75
  5. Step 5: Solve for x
    x = 2,089,099.75/1,529.06
  6. Step 6: Final answer
    x = 1,366.26

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.