Home / 3,621.81-4,995.36-2,630.37

Finding the Fourth Proportional to 3,621.81, 4,995.36 and 2,630.37

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Solution

The fourth proportional to 3,621.81, 4,995.36 and 2,630.37 is: 3,627.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.81 : 4,995.36 = 2,630.37 : x
  2. Step 2: Convert to fraction form
    3,621.81/4,995.36 = 2,630.37/x
  3. Step 3: Cross multiply
    3,621.81x = 4,995.36 × 2,630.37
  4. Step 4: Simplify right side
    3,621.81x = 13,139,645.08
  5. Step 5: Solve for x
    x = 13,139,645.08/3,621.81
  6. Step 6: Final answer
    x = 3,627.92

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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.