Home / 2,863.42-4,260.83-2,853.70

Finding the Fourth Proportional to 2,863.42, 4,260.83 and 2,853.70

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Solution

The fourth proportional to 2,863.42, 4,260.83 and 2,853.70 is: 4,246.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,863.42 : 4,260.83 = 2,853.70 : x
  2. Step 2: Convert to fraction form
    2,863.42/4,260.83 = 2,853.70/x
  3. Step 3: Cross multiply
    2,863.42x = 4,260.83 × 2,853.70
  4. Step 4: Simplify right side
    2,863.42x = 12,159,130.57
  5. Step 5: Solve for x
    x = 12,159,130.57/2,863.42
  6. Step 6: Final answer
    x = 4,246.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.