Home / 1,612.91-2,419.27-1,303.09

Finding the Fourth Proportional to 1,612.91, 2,419.27 and 1,303.09

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Solution

The fourth proportional to 1,612.91, 2,419.27 and 1,303.09 is: 1,954.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,612.91 : 2,419.27 = 1,303.09 : x
  2. Step 2: Convert to fraction form
    1,612.91/2,419.27 = 1,303.09/x
  3. Step 3: Cross multiply
    1,612.91x = 2,419.27 × 1,303.09
  4. Step 4: Simplify right side
    1,612.91x = 3,152,517.24
  5. Step 5: Solve for x
    x = 3,152,517.24/1,612.91
  6. Step 6: Final answer
    x = 1,954.55

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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.