Home / 1,466.98-2,198.31-1,312.90

Finding the Fourth Proportional to 1,466.98, 2,198.31 and 1,312.90

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Solution

The fourth proportional to 1,466.98, 2,198.31 and 1,312.90 is: 1,967.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,466.98 : 2,198.31 = 1,312.90 : x
  2. Step 2: Convert to fraction form
    1,466.98/2,198.31 = 1,312.90/x
  3. Step 3: Cross multiply
    1,466.98x = 2,198.31 × 1,312.90
  4. Step 4: Simplify right side
    1,466.98x = 2,886,161.20
  5. Step 5: Solve for x
    x = 2,886,161.20/1,466.98
  6. Step 6: Final answer
    x = 1,967.42

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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.