Home / 3,477.80-5,216.74-1,629.79

Finding the Fourth Proportional to 3,477.80, 5,216.74 and 1,629.79

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Solution

The fourth proportional to 3,477.80, 5,216.74 and 1,629.79 is: 2,444.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,477.80 : 5,216.74 = 1,629.79 : x
  2. Step 2: Convert to fraction form
    3,477.80/5,216.74 = 1,629.79/x
  3. Step 3: Cross multiply
    3,477.80x = 5,216.74 × 1,629.79
  4. Step 4: Simplify right side
    3,477.80x = 8,502,173.57
  5. Step 5: Solve for x
    x = 8,502,173.57/3,477.80
  6. Step 6: Final answer
    x = 2,444.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.