Home / 4,080.24-5,630.40-3,018.60

Finding the Fourth Proportional to 4,080.24, 5,630.40 and 3,018.60

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Solution

The fourth proportional to 4,080.24, 5,630.40 and 3,018.60 is: 4,165.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080.24 : 5,630.40 = 3,018.60 : x
  2. Step 2: Convert to fraction form
    4,080.24/5,630.40 = 3,018.60/x
  3. Step 3: Cross multiply
    4,080.24x = 5,630.40 × 3,018.60
  4. Step 4: Simplify right side
    4,080.24x = 16,995,925.44
  5. Step 5: Solve for x
    x = 16,995,925.44/4,080.24
  6. Step 6: Final answer
    x = 4,165.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.