Home / 3,485.40-4,809.75-2,304.42

Finding the Fourth Proportional to 3,485.40, 4,809.75 and 2,304.42

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Solution

The fourth proportional to 3,485.40, 4,809.75 and 2,304.42 is: 3,180.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.40 : 4,809.75 = 2,304.42 : x
  2. Step 2: Convert to fraction form
    3,485.40/4,809.75 = 2,304.42/x
  3. Step 3: Cross multiply
    3,485.40x = 4,809.75 × 2,304.42
  4. Step 4: Simplify right side
    3,485.40x = 11,083,684.10
  5. Step 5: Solve for x
    x = 11,083,684.10/3,485.40
  6. Step 6: Final answer
    x = 3,180.03

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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.