Home / 2,698.56-4,048.38-943.74

Finding the Fourth Proportional to 2,698.56, 4,048.38 and 943.74

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Solution

The fourth proportional to 2,698.56, 4,048.38 and 943.74 is: 1,415.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,698.56 : 4,048.38 = 943.74 : x
  2. Step 2: Convert to fraction form
    2,698.56/4,048.38 = 943.74/x
  3. Step 3: Cross multiply
    2,698.56x = 4,048.38 × 943.74
  4. Step 4: Simplify right side
    2,698.56x = 3,820,618.14
  5. Step 5: Solve for x
    x = 3,820,618.14/2,698.56
  6. Step 6: Final answer
    x = 1,415.80

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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.