Home / 3,485.64-4,810.08-1,993.68

Finding the Fourth Proportional to 3,485.64, 4,810.08 and 1,993.68

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Solution

The fourth proportional to 3,485.64, 4,810.08 and 1,993.68 is: 2,751.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.64 : 4,810.08 = 1,993.68 : x
  2. Step 2: Convert to fraction form
    3,485.64/4,810.08 = 1,993.68/x
  3. Step 3: Cross multiply
    3,485.64x = 4,810.08 × 1,993.68
  4. Step 4: Simplify right side
    3,485.64x = 9,589,760.29
  5. Step 5: Solve for x
    x = 9,589,760.29/3,485.64
  6. Step 6: Final answer
    x = 2,751.22

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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.