Home / 1,812.03-2,498.67-1,369.14

Finding the Fourth Proportional to 1,812.03, 2,498.67 and 1,369.14

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Solution

The fourth proportional to 1,812.03, 2,498.67 and 1,369.14 is: 1,887.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812.03 : 2,498.67 = 1,369.14 : x
  2. Step 2: Convert to fraction form
    1,812.03/2,498.67 = 1,369.14/x
  3. Step 3: Cross multiply
    1,812.03x = 2,498.67 × 1,369.14
  4. Step 4: Simplify right side
    1,812.03x = 3,421,029.04
  5. Step 5: Solve for x
    x = 3,421,029.04/1,812.03
  6. Step 6: Final answer
    x = 1,887.95

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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.