Home / 3,130.58-4,694.42-1,669.34

Finding the Fourth Proportional to 3,130.58, 4,694.42 and 1,669.34

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Solution

The fourth proportional to 3,130.58, 4,694.42 and 1,669.34 is: 2,503.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130.58 : 4,694.42 = 1,669.34 : x
  2. Step 2: Convert to fraction form
    3,130.58/4,694.42 = 1,669.34/x
  3. Step 3: Cross multiply
    3,130.58x = 4,694.42 × 1,669.34
  4. Step 4: Simplify right side
    3,130.58x = 7,836,583.08
  5. Step 5: Solve for x
    x = 7,836,583.08/3,130.58
  6. Step 6: Final answer
    x = 2,503.24

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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.