Home / 3,630.21-5,004.93-2,621.07

Finding the Fourth Proportional to 3,630.21, 5,004.93 and 2,621.07

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Solution

The fourth proportional to 3,630.21, 5,004.93 and 2,621.07 is: 3,613.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,630.21 : 5,004.93 = 2,621.07 : x
  2. Step 2: Convert to fraction form
    3,630.21/5,004.93 = 2,621.07/x
  3. Step 3: Cross multiply
    3,630.21x = 5,004.93 × 2,621.07
  4. Step 4: Simplify right side
    3,630.21x = 13,118,271.88
  5. Step 5: Solve for x
    x = 13,118,271.88/3,630.21
  6. Step 6: Final answer
    x = 3,613.64

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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.