Home / 2,899.78-4,347.60-1,727.02

Finding the Fourth Proportional to 2,899.78, 4,347.60 and 1,727.02

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Solution

The fourth proportional to 2,899.78, 4,347.60 and 1,727.02 is: 2,589.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,899.78 : 4,347.60 = 1,727.02 : x
  2. Step 2: Convert to fraction form
    2,899.78/4,347.60 = 1,727.02/x
  3. Step 3: Cross multiply
    2,899.78x = 4,347.60 × 1,727.02
  4. Step 4: Simplify right side
    2,899.78x = 7,508,392.15
  5. Step 5: Solve for x
    x = 7,508,392.15/2,899.78
  6. Step 6: Final answer
    x = 2,589.30

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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.