Home / 1,518.39-2,095.97-1,186.93

Finding the Fourth Proportional to 1,518.39, 2,095.97 and 1,186.93

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Solution

The fourth proportional to 1,518.39, 2,095.97 and 1,186.93 is: 1,638.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518.39 : 2,095.97 = 1,186.93 : x
  2. Step 2: Convert to fraction form
    1,518.39/2,095.97 = 1,186.93/x
  3. Step 3: Cross multiply
    1,518.39x = 2,095.97 × 1,186.93
  4. Step 4: Simplify right side
    1,518.39x = 2,487,765.92
  5. Step 5: Solve for x
    x = 2,487,765.92/1,518.39
  6. Step 6: Final answer
    x = 1,638.42

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1.5x scale

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.