Home / 2,841.21-4,263.12-1,281.63

Finding the Fourth Proportional to 2,841.21, 4,263.12 and 1,281.63

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Solution

The fourth proportional to 2,841.21, 4,263.12 and 1,281.63 is: 1,923.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,841.21 : 4,263.12 = 1,281.63 : x
  2. Step 2: Convert to fraction form
    2,841.21/4,263.12 = 1,281.63/x
  3. Step 3: Cross multiply
    2,841.21x = 4,263.12 × 1,281.63
  4. Step 4: Simplify right side
    2,841.21x = 5,463,742.49
  5. Step 5: Solve for x
    x = 5,463,742.49/2,841.21
  6. Step 6: Final answer
    x = 1,923.03

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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.