Home / 2,389.44-3,586.80-1,416.32

Finding the Fourth Proportional to 2,389.44, 3,586.80 and 1,416.32

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Solution

The fourth proportional to 2,389.44, 3,586.80 and 1,416.32 is: 2,126.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,389.44 : 3,586.80 = 1,416.32 : x
  2. Step 2: Convert to fraction form
    2,389.44/3,586.80 = 1,416.32/x
  3. Step 3: Cross multiply
    2,389.44x = 3,586.80 × 1,416.32
  4. Step 4: Simplify right side
    2,389.44x = 5,080,056.58
  5. Step 5: Solve for x
    x = 5,080,056.58/2,389.44
  6. Step 6: Final answer
    x = 2,126.04

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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.