Home / 1,519.96-2,098.34-1,025.20

Finding the Fourth Proportional to 1,519.96, 2,098.34 and 1,025.20

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Solution

The fourth proportional to 1,519.96, 2,098.34 and 1,025.20 is: 1,415.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519.96 : 2,098.34 = 1,025.20 : x
  2. Step 2: Convert to fraction form
    1,519.96/2,098.34 = 1,025.20/x
  3. Step 3: Cross multiply
    1,519.96x = 2,098.34 × 1,025.20
  4. Step 4: Simplify right side
    1,519.96x = 2,151,213.04
  5. Step 5: Solve for x
    x = 2,151,213.04/1,519.96
  6. Step 6: Final answer
    x = 1,415.31

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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.