Home / 2,650.06-3,656.81-1,531.36

Finding the Fourth Proportional to 2,650.06, 3,656.81 and 1,531.36

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Solution

The fourth proportional to 2,650.06, 3,656.81 and 1,531.36 is: 2,113.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,650.06 : 3,656.81 = 1,531.36 : x
  2. Step 2: Convert to fraction form
    2,650.06/3,656.81 = 1,531.36/x
  3. Step 3: Cross multiply
    2,650.06x = 3,656.81 × 1,531.36
  4. Step 4: Simplify right side
    2,650.06x = 5,599,873.93
  5. Step 5: Solve for x
    x = 5,599,873.93/2,650.06
  6. Step 6: Final answer
    x = 2,113.11

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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.