Home / 1,626.14-2,439.75-1,080.47

Finding the Fourth Proportional to 1,626.14, 2,439.75 and 1,080.47

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Solution

The fourth proportional to 1,626.14, 2,439.75 and 1,080.47 is: 1,621.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,626.14 : 2,439.75 = 1,080.47 : x
  2. Step 2: Convert to fraction form
    1,626.14/2,439.75 = 1,080.47/x
  3. Step 3: Cross multiply
    1,626.14x = 2,439.75 × 1,080.47
  4. Step 4: Simplify right side
    1,626.14x = 2,636,076.68
  5. Step 5: Solve for x
    x = 2,636,076.68/1,626.14
  6. Step 6: Final answer
    x = 1,621.06

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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.