Home / 4,080.40-6,120.60-2,352.40

Finding the Fourth Proportional to 4,080.40, 6,120.60 and 2,352.40

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Solution

The fourth proportional to 4,080.40, 6,120.60 and 2,352.40 is: 3,528.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080.40 : 6,120.60 = 2,352.40 : x
  2. Step 2: Convert to fraction form
    4,080.40/6,120.60 = 2,352.40/x
  3. Step 3: Cross multiply
    4,080.40x = 6,120.60 × 2,352.40
  4. Step 4: Simplify right side
    4,080.40x = 14,398,099.44
  5. Step 5: Solve for x
    x = 14,398,099.44/4,080.40
  6. Step 6: Final answer
    x = 3,528.60

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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.