Home / 3,253.30-4,485.75-3,078.14

Finding the Fourth Proportional to 3,253.30, 4,485.75 and 3,078.14

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Solution

The fourth proportional to 3,253.30, 4,485.75 and 3,078.14 is: 4,244.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,253.30 : 4,485.75 = 3,078.14 : x
  2. Step 2: Convert to fraction form
    3,253.30/4,485.75 = 3,078.14/x
  3. Step 3: Cross multiply
    3,253.30x = 4,485.75 × 3,078.14
  4. Step 4: Simplify right side
    3,253.30x = 13,807,766.51
  5. Step 5: Solve for x
    x = 13,807,766.51/3,253.30
  6. Step 6: Final answer
    x = 4,244.23

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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.