Home / 2,698.21-4,047.80-1,116.93

Finding the Fourth Proportional to 2,698.21, 4,047.80 and 1,116.93

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Solution

The fourth proportional to 2,698.21, 4,047.80 and 1,116.93 is: 1,675.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,698.21 : 4,047.80 = 1,116.93 : x
  2. Step 2: Convert to fraction form
    2,698.21/4,047.80 = 1,116.93/x
  3. Step 3: Cross multiply
    2,698.21x = 4,047.80 × 1,116.93
  4. Step 4: Simplify right side
    2,698.21x = 4,521,109.25
  5. Step 5: Solve for x
    x = 4,521,109.25/2,698.21
  6. Step 6: Final answer
    x = 1,675.60

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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.