Home / 3,679.10-5,071.26-2,881.08

Finding the Fourth Proportional to 3,679.10, 5,071.26 and 2,881.08

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Solution

The fourth proportional to 3,679.10, 5,071.26 and 2,881.08 is: 3,971.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,679.10 : 5,071.26 = 2,881.08 : x
  2. Step 2: Convert to fraction form
    3,679.10/5,071.26 = 2,881.08/x
  3. Step 3: Cross multiply
    3,679.10x = 5,071.26 × 2,881.08
  4. Step 4: Simplify right side
    3,679.10x = 14,610,705.76
  5. Step 5: Solve for x
    x = 14,610,705.76/3,679.10
  6. Step 6: Final answer
    x = 3,971.27

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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.