Home / 3,107.16-4,659.37-1,935.40

Finding the Fourth Proportional to 3,107.16, 4,659.37 and 1,935.40

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Solution

The fourth proportional to 3,107.16, 4,659.37 and 1,935.40 is: 2,902.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,107.16 : 4,659.37 = 1,935.40 : x
  2. Step 2: Convert to fraction form
    3,107.16/4,659.37 = 1,935.40/x
  3. Step 3: Cross multiply
    3,107.16x = 4,659.37 × 1,935.40
  4. Step 4: Simplify right side
    3,107.16x = 9,017,744.70
  5. Step 5: Solve for x
    x = 9,017,744.70/3,107.16
  6. Step 6: Final answer
    x = 2,902.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.