Home / 2,899.22-4,001.06-1,720.26

Finding the Fourth Proportional to 2,899.22, 4,001.06 and 1,720.26

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Solution

The fourth proportional to 2,899.22, 4,001.06 and 1,720.26 is: 2,374.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,899.22 : 4,001.06 = 1,720.26 : x
  2. Step 2: Convert to fraction form
    2,899.22/4,001.06 = 1,720.26/x
  3. Step 3: Cross multiply
    2,899.22x = 4,001.06 × 1,720.26
  4. Step 4: Simplify right side
    2,899.22x = 6,882,867.78
  5. Step 5: Solve for x
    x = 6,882,867.78/2,899.22
  6. Step 6: Final answer
    x = 2,374.05

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1.5x scale

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.