Home / 1,518.11-2,095.08-1,013.09

Finding the Fourth Proportional to 1,518.11, 2,095.08 and 1,013.09

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Solution

The fourth proportional to 1,518.11, 2,095.08 and 1,013.09 is: 1,398.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518.11 : 2,095.08 = 1,013.09 : x
  2. Step 2: Convert to fraction form
    1,518.11/2,095.08 = 1,013.09/x
  3. Step 3: Cross multiply
    1,518.11x = 2,095.08 × 1,013.09
  4. Step 4: Simplify right side
    1,518.11x = 2,122,494.12
  5. Step 5: Solve for x
    x = 2,122,494.12/1,518.11
  6. Step 6: Final answer
    x = 1,398.12

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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.