Home / 2,120.37-2,923.03-1,488.97

Finding the Fourth Proportional to 2,120.37, 2,923.03 and 1,488.97

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Solution

The fourth proportional to 2,120.37, 2,923.03 and 1,488.97 is: 2,052.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,120.37 : 2,923.03 = 1,488.97 : x
  2. Step 2: Convert to fraction form
    2,120.37/2,923.03 = 1,488.97/x
  3. Step 3: Cross multiply
    2,120.37x = 2,923.03 × 1,488.97
  4. Step 4: Simplify right side
    2,120.37x = 4,352,296.53
  5. Step 5: Solve for x
    x = 4,352,296.53/2,120.37
  6. Step 6: Final answer
    x = 2,052.62

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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.