Home / 2,948.70-4,042.83-2,896.05

Finding the Fourth Proportional to 2,948.70, 4,042.83 and 2,896.05

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Solution

The fourth proportional to 2,948.70, 4,042.83 and 2,896.05 is: 3,970.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948.70 : 4,042.83 = 2,896.05 : x
  2. Step 2: Convert to fraction form
    2,948.70/4,042.83 = 2,896.05/x
  3. Step 3: Cross multiply
    2,948.70x = 4,042.83 × 2,896.05
  4. Step 4: Simplify right side
    2,948.70x = 11,708,210.37
  5. Step 5: Solve for x
    x = 11,708,210.37/2,948.70
  6. Step 6: Final answer
    x = 3,970.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.