Home / 2,009.42-2,771.44-1,536.14

Finding the Fourth Proportional to 2,009.42, 2,771.44 and 1,536.14

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Solution

The fourth proportional to 2,009.42, 2,771.44 and 1,536.14 is: 2,118.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,009.42 : 2,771.44 = 1,536.14 : x
  2. Step 2: Convert to fraction form
    2,009.42/2,771.44 = 1,536.14/x
  3. Step 3: Cross multiply
    2,009.42x = 2,771.44 × 1,536.14
  4. Step 4: Simplify right side
    2,009.42x = 4,257,319.84
  5. Step 5: Solve for x
    x = 4,257,319.84/2,009.42
  6. Step 6: Final answer
    x = 2,118.68

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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.