Home / 3,071.09-4,250.29-2,997.40

Finding the Fourth Proportional to 3,071.09, 4,250.29 and 2,997.40

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Solution

The fourth proportional to 3,071.09, 4,250.29 and 2,997.40 is: 4,148.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,071.09 : 4,250.29 = 2,997.40 : x
  2. Step 2: Convert to fraction form
    3,071.09/4,250.29 = 2,997.40/x
  3. Step 3: Cross multiply
    3,071.09x = 4,250.29 × 2,997.40
  4. Step 4: Simplify right side
    3,071.09x = 12,739,795.12
  5. Step 5: Solve for x
    x = 12,739,795.12/3,071.09
  6. Step 6: Final answer
    x = 4,148.29

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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.