Home / 2,994.20-4,130.86-1,814.84

Finding the Fourth Proportional to 2,994.20, 4,130.86 and 1,814.84

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Solution

The fourth proportional to 2,994.20, 4,130.86 and 1,814.84 is: 2,503.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,994.20 : 4,130.86 = 1,814.84 : x
  2. Step 2: Convert to fraction form
    2,994.20/4,130.86 = 1,814.84/x
  3. Step 3: Cross multiply
    2,994.20x = 4,130.86 × 1,814.84
  4. Step 4: Simplify right side
    2,994.20x = 7,496,849.96
  5. Step 5: Solve for x
    x = 7,496,849.96/2,994.20
  6. Step 6: Final answer
    x = 2,503.79

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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.