Home / 2,939.46-4,055.73-1,663.36

Finding the Fourth Proportional to 2,939.46, 4,055.73 and 1,663.36

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Solution

The fourth proportional to 2,939.46, 4,055.73 and 1,663.36 is: 2,295.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,939.46 : 4,055.73 = 1,663.36 : x
  2. Step 2: Convert to fraction form
    2,939.46/4,055.73 = 1,663.36/x
  3. Step 3: Cross multiply
    2,939.46x = 4,055.73 × 1,663.36
  4. Step 4: Simplify right side
    2,939.46x = 6,746,139.05
  5. Step 5: Solve for x
    x = 6,746,139.05/2,939.46
  6. Step 6: Final answer
    x = 2,295.03

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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.