Home / 3,485.73-4,804.86-2,643.06

Finding the Fourth Proportional to 3,485.73, 4,804.86 and 2,643.06

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Solution

The fourth proportional to 3,485.73, 4,804.86 and 2,643.06 is: 3,643.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.73 : 4,804.86 = 2,643.06 : x
  2. Step 2: Convert to fraction form
    3,485.73/4,804.86 = 2,643.06/x
  3. Step 3: Cross multiply
    3,485.73x = 4,804.86 × 2,643.06
  4. Step 4: Simplify right side
    3,485.73x = 12,699,533.27
  5. Step 5: Solve for x
    x = 12,699,533.27/3,485.73
  6. Step 6: Final answer
    x = 3,643.29

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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.