Home / 1,698.20-2,342.84-1,068.47

Finding the Fourth Proportional to 1,698.20, 2,342.84 and 1,068.47

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Solution

The fourth proportional to 1,698.20, 2,342.84 and 1,068.47 is: 1,474.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,698.20 : 2,342.84 = 1,068.47 : x
  2. Step 2: Convert to fraction form
    1,698.20/2,342.84 = 1,068.47/x
  3. Step 3: Cross multiply
    1,698.20x = 2,342.84 × 1,068.47
  4. Step 4: Simplify right side
    1,698.20x = 2,503,237.20
  5. Step 5: Solve for x
    x = 2,503,237.20/1,698.20
  6. Step 6: Final answer
    x = 1,474.06

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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.