Home / 1,907.10-2,630.61-1,698.66

Finding the Fourth Proportional to 1,907.10, 2,630.61 and 1,698.66

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Solution

The fourth proportional to 1,907.10, 2,630.61 and 1,698.66 is: 2,343.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,907.10 : 2,630.61 = 1,698.66 : x
  2. Step 2: Convert to fraction form
    1,907.10/2,630.61 = 1,698.66/x
  3. Step 3: Cross multiply
    1,907.10x = 2,630.61 × 1,698.66
  4. Step 4: Simplify right side
    1,907.10x = 4,468,511.98
  5. Step 5: Solve for x
    x = 4,468,511.98/1,907.10
  6. Step 6: Final answer
    x = 2,343.09

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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.