Home / 3,030.21-4,181.49-1,703.90

Finding the Fourth Proportional to 3,030.21, 4,181.49 and 1,703.90

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Solution

The fourth proportional to 3,030.21, 4,181.49 and 1,703.90 is: 2,351.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,030.21 : 4,181.49 = 1,703.90 : x
  2. Step 2: Convert to fraction form
    3,030.21/4,181.49 = 1,703.90/x
  3. Step 3: Cross multiply
    3,030.21x = 4,181.49 × 1,703.90
  4. Step 4: Simplify right side
    3,030.21x = 7,124,851.26
  5. Step 5: Solve for x
    x = 7,124,851.26/3,030.21
  6. Step 6: Final answer
    x = 2,351.27

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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.