Home / 2,698.30-4,029.40-2,333.98

Finding the Fourth Proportional to 2,698.30, 4,029.40 and 2,333.98

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Solution

The fourth proportional to 2,698.30, 4,029.40 and 2,333.98 is: 3,485.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,698.30 : 4,029.40 = 2,333.98 : x
  2. Step 2: Convert to fraction form
    2,698.30/4,029.40 = 2,333.98/x
  3. Step 3: Cross multiply
    2,698.30x = 4,029.40 × 2,333.98
  4. Step 4: Simplify right side
    2,698.30x = 9,404,539.01
  5. Step 5: Solve for x
    x = 9,404,539.01/2,698.30
  6. Step 6: Final answer
    x = 3,485.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.