Home / 4,023.80-6,035.70-2,857.40

Finding the Fourth Proportional to 4,023.80, 6,035.70 and 2,857.40

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Solution

The fourth proportional to 4,023.80, 6,035.70 and 2,857.40 is: 4,286.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,023.80 : 6,035.70 = 2,857.40 : x
  2. Step 2: Convert to fraction form
    4,023.80/6,035.70 = 2,857.40/x
  3. Step 3: Cross multiply
    4,023.80x = 6,035.70 × 2,857.40
  4. Step 4: Simplify right side
    4,023.80x = 17,246,409.18
  5. Step 5: Solve for x
    x = 17,246,409.18/4,023.80
  6. Step 6: Final answer
    x = 4,286.10

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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.