Home / 3,285.64-4,533.02-2,107.36

Finding the Fourth Proportional to 3,285.64, 4,533.02 and 2,107.36

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Solution

The fourth proportional to 3,285.64, 4,533.02 and 2,107.36 is: 2,907.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,285.64 : 4,533.02 = 2,107.36 : x
  2. Step 2: Convert to fraction form
    3,285.64/4,533.02 = 2,107.36/x
  3. Step 3: Cross multiply
    3,285.64x = 4,533.02 × 2,107.36
  4. Step 4: Simplify right side
    3,285.64x = 9,552,683.16
  5. Step 5: Solve for x
    x = 9,552,683.16/3,285.64
  6. Step 6: Final answer
    x = 2,907.41

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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.