Home / 1,959.68-2,699.66-1,679.02

Finding the Fourth Proportional to 1,959.68, 2,699.66 and 1,679.02

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Solution

The fourth proportional to 1,959.68, 2,699.66 and 1,679.02 is: 2,313.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,959.68 : 2,699.66 = 1,679.02 : x
  2. Step 2: Convert to fraction form
    1,959.68/2,699.66 = 1,679.02/x
  3. Step 3: Cross multiply
    1,959.68x = 2,699.66 × 1,679.02
  4. Step 4: Simplify right side
    1,959.68x = 4,532,783.13
  5. Step 5: Solve for x
    x = 4,532,783.13/1,959.68
  6. Step 6: Final answer
    x = 2,313.02

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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.