Home / 2,118.06-2,923.94-1,411.08

Finding the Fourth Proportional to 2,118.06, 2,923.94 and 1,411.08

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Solution

The fourth proportional to 2,118.06, 2,923.94 and 1,411.08 is: 1,947.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118.06 : 2,923.94 = 1,411.08 : x
  2. Step 2: Convert to fraction form
    2,118.06/2,923.94 = 1,411.08/x
  3. Step 3: Cross multiply
    2,118.06x = 2,923.94 × 1,411.08
  4. Step 4: Simplify right side
    2,118.06x = 4,125,913.26
  5. Step 5: Solve for x
    x = 4,125,913.26/2,118.06
  6. Step 6: Final answer
    x = 1,947.97

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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.