Home / 2,994.69-4,134.62-2,808.81

Finding the Fourth Proportional to 2,994.69, 4,134.62 and 2,808.81

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Solution

The fourth proportional to 2,994.69, 4,134.62 and 2,808.81 is: 3,877.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,994.69 : 4,134.62 = 2,808.81 : x
  2. Step 2: Convert to fraction form
    2,994.69/4,134.62 = 2,808.81/x
  3. Step 3: Cross multiply
    2,994.69x = 4,134.62 × 2,808.81
  4. Step 4: Simplify right side
    2,994.69x = 11,613,347.96
  5. Step 5: Solve for x
    x = 11,613,347.96/2,994.69
  6. Step 6: Final answer
    x = 3,877.98

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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.