Home / 3,419.10-5,127.98-1,664.10

Finding the Fourth Proportional to 3,419.10, 5,127.98 and 1,664.10

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Solution

The fourth proportional to 3,419.10, 5,127.98 and 1,664.10 is: 2,495.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,419.10 : 5,127.98 = 1,664.10 : x
  2. Step 2: Convert to fraction form
    3,419.10/5,127.98 = 1,664.10/x
  3. Step 3: Cross multiply
    3,419.10x = 5,127.98 × 1,664.10
  4. Step 4: Simplify right side
    3,419.10x = 8,533,463.20
  5. Step 5: Solve for x
    x = 8,533,463.20/3,419.10
  6. Step 6: Final answer
    x = 2,495.82

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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.