Home / 2,814.84-4,219.56-1,841.76

Finding the Fourth Proportional to 2,814.84, 4,219.56 and 1,841.76

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Solution

The fourth proportional to 2,814.84, 4,219.56 and 1,841.76 is: 2,760.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,814.84 : 4,219.56 = 1,841.76 : x
  2. Step 2: Convert to fraction form
    2,814.84/4,219.56 = 1,841.76/x
  3. Step 3: Cross multiply
    2,814.84x = 4,219.56 × 1,841.76
  4. Step 4: Simplify right side
    2,814.84x = 7,771,416.83
  5. Step 5: Solve for x
    x = 7,771,416.83/2,814.84
  6. Step 6: Final answer
    x = 2,760.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.