Home / 2,846.80-4,270.20-2,635.60

Finding the Fourth Proportional to 2,846.80, 4,270.20 and 2,635.60

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Solution

The fourth proportional to 2,846.80, 4,270.20 and 2,635.60 is: 3,953.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,846.80 : 4,270.20 = 2,635.60 : x
  2. Step 2: Convert to fraction form
    2,846.80/4,270.20 = 2,635.60/x
  3. Step 3: Cross multiply
    2,846.80x = 4,270.20 × 2,635.60
  4. Step 4: Simplify right side
    2,846.80x = 11,254,539.12
  5. Step 5: Solve for x
    x = 11,254,539.12/2,846.80
  6. Step 6: Final answer
    x = 3,953.40

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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.