Home / 2,835.70-4,257.60-2,220.10

Finding the Fourth Proportional to 2,835.70, 4,257.60 and 2,220.10

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Solution

The fourth proportional to 2,835.70, 4,257.60 and 2,220.10 is: 3,333.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,835.70 : 4,257.60 = 2,220.10 : x
  2. Step 2: Convert to fraction form
    2,835.70/4,257.60 = 2,220.10/x
  3. Step 3: Cross multiply
    2,835.70x = 4,257.60 × 2,220.10
  4. Step 4: Simplify right side
    2,835.70x = 9,452,297.76
  5. Step 5: Solve for x
    x = 9,452,297.76/2,835.70
  6. Step 6: Final answer
    x = 3,333.32

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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.