Home / 4,079.51-5,627.46-2,661.20

Finding the Fourth Proportional to 4,079.51, 5,627.46 and 2,661.20

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Solution

The fourth proportional to 4,079.51, 5,627.46 and 2,661.20 is: 3,670.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.51 : 5,627.46 = 2,661.20 : x
  2. Step 2: Convert to fraction form
    4,079.51/5,627.46 = 2,661.20/x
  3. Step 3: Cross multiply
    4,079.51x = 5,627.46 × 2,661.20
  4. Step 4: Simplify right side
    4,079.51x = 14,975,796.55
  5. Step 5: Solve for x
    x = 14,975,796.55/4,079.51
  6. Step 6: Final answer
    x = 3,670.98

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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.