Home / 1,518.18-2,095.77-1,021.14

Finding the Fourth Proportional to 1,518.18, 2,095.77 and 1,021.14

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Solution

The fourth proportional to 1,518.18, 2,095.77 and 1,021.14 is: 1,409.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518.18 : 2,095.77 = 1,021.14 : x
  2. Step 2: Convert to fraction form
    1,518.18/2,095.77 = 1,021.14/x
  3. Step 3: Cross multiply
    1,518.18x = 2,095.77 × 1,021.14
  4. Step 4: Simplify right side
    1,518.18x = 2,140,074.58
  5. Step 5: Solve for x
    x = 2,140,074.58/1,518.18
  6. Step 6: Final answer
    x = 1,409.63

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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.