Home / 3,113.44-4,271.20-3,061.60

Finding the Fourth Proportional to 3,113.44, 4,271.20 and 3,061.60

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Solution

The fourth proportional to 3,113.44, 4,271.20 and 3,061.60 is: 4,200.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113.44 : 4,271.20 = 3,061.60 : x
  2. Step 2: Convert to fraction form
    3,113.44/4,271.20 = 3,061.60/x
  3. Step 3: Cross multiply
    3,113.44x = 4,271.20 × 3,061.60
  4. Step 4: Simplify right side
    3,113.44x = 13,076,705.92
  5. Step 5: Solve for x
    x = 13,076,705.92/3,113.44
  6. Step 6: Final answer
    x = 4,200.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.