Home / 2,851.56-4,271.66-1,874.70

Finding the Fourth Proportional to 2,851.56, 4,271.66 and 1,874.70

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Solution

The fourth proportional to 2,851.56, 4,271.66 and 1,874.70 is: 2,808.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,851.56 : 4,271.66 = 1,874.70 : x
  2. Step 2: Convert to fraction form
    2,851.56/4,271.66 = 1,874.70/x
  3. Step 3: Cross multiply
    2,851.56x = 4,271.66 × 1,874.70
  4. Step 4: Simplify right side
    2,851.56x = 8,008,081.00
  5. Step 5: Solve for x
    x = 8,008,081.00/2,851.56
  6. Step 6: Final answer
    x = 2,808.32

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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.