Home / 2,219.64-3,325.36-1,490.08

Finding the Fourth Proportional to 2,219.64, 3,325.36 and 1,490.08

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Solution

The fourth proportional to 2,219.64, 3,325.36 and 1,490.08 is: 2,232.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219.64 : 3,325.36 = 1,490.08 : x
  2. Step 2: Convert to fraction form
    2,219.64/3,325.36 = 1,490.08/x
  3. Step 3: Cross multiply
    2,219.64x = 3,325.36 × 1,490.08
  4. Step 4: Simplify right side
    2,219.64x = 4,955,052.43
  5. Step 5: Solve for x
    x = 4,955,052.43/2,219.64
  6. Step 6: Final answer
    x = 2,232.37

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Why These Related Problems?

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