Home / 3,285.66-4,534.65-2,107.02

Finding the Fourth Proportional to 3,285.66, 4,534.65 and 2,107.02

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Solution

The fourth proportional to 3,285.66, 4,534.65 and 2,107.02 is: 2,907.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,285.66 : 4,534.65 = 2,107.02 : x
  2. Step 2: Convert to fraction form
    3,285.66/4,534.65 = 2,107.02/x
  3. Step 3: Cross multiply
    3,285.66x = 4,534.65 × 2,107.02
  4. Step 4: Simplify right side
    3,285.66x = 9,554,598.24
  5. Step 5: Solve for x
    x = 9,554,598.24/3,285.66
  6. Step 6: Final answer
    x = 2,907.97

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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.