Home / 1,845.04-2,768.16-1,231.15

Finding the Fourth Proportional to 1,845.04, 2,768.16 and 1,231.15

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Solution

The fourth proportional to 1,845.04, 2,768.16 and 1,231.15 is: 1,847.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845.04 : 2,768.16 = 1,231.15 : x
  2. Step 2: Convert to fraction form
    1,845.04/2,768.16 = 1,231.15/x
  3. Step 3: Cross multiply
    1,845.04x = 2,768.16 × 1,231.15
  4. Step 4: Simplify right side
    1,845.04x = 3,408,020.18
  5. Step 5: Solve for x
    x = 3,408,020.18/1,845.04
  6. Step 6: Final answer
    x = 1,847.13

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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.