Home / 3,461.51-5,190.44-1,511.44

Finding the Fourth Proportional to 3,461.51, 5,190.44 and 1,511.44

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Solution

The fourth proportional to 3,461.51, 5,190.44 and 1,511.44 is: 2,266.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,461.51 : 5,190.44 = 1,511.44 : x
  2. Step 2: Convert to fraction form
    3,461.51/5,190.44 = 1,511.44/x
  3. Step 3: Cross multiply
    3,461.51x = 5,190.44 × 1,511.44
  4. Step 4: Simplify right side
    3,461.51x = 7,845,018.10
  5. Step 5: Solve for x
    x = 7,845,018.10/3,461.51
  6. Step 6: Final answer
    x = 2,266.36

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1.5x scale

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.