Home / 1,912.65-2,862.13-1,498.94

Finding the Fourth Proportional to 1,912.65, 2,862.13 and 1,498.94

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Solution

The fourth proportional to 1,912.65, 2,862.13 and 1,498.94 is: 2,243.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912.65 : 2,862.13 = 1,498.94 : x
  2. Step 2: Convert to fraction form
    1,912.65/2,862.13 = 1,498.94/x
  3. Step 3: Cross multiply
    1,912.65x = 2,862.13 × 1,498.94
  4. Step 4: Simplify right side
    1,912.65x = 4,290,153.65
  5. Step 5: Solve for x
    x = 4,290,153.65/1,912.65
  6. Step 6: Final answer
    x = 2,243.05

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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.