Home / 1,690.65-2,334.57-1,062.27

Finding the Fourth Proportional to 1,690.65, 2,334.57 and 1,062.27

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Solution

The fourth proportional to 1,690.65, 2,334.57 and 1,062.27 is: 1,466.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690.65 : 2,334.57 = 1,062.27 : x
  2. Step 2: Convert to fraction form
    1,690.65/2,334.57 = 1,062.27/x
  3. Step 3: Cross multiply
    1,690.65x = 2,334.57 × 1,062.27
  4. Step 4: Simplify right side
    1,690.65x = 2,479,943.67
  5. Step 5: Solve for x
    x = 2,479,943.67/1,690.65
  6. Step 6: Final answer
    x = 1,466.86

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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.