Home / 2,094.10-2,891.20-1,869.65

Finding the Fourth Proportional to 2,094.10, 2,891.20 and 1,869.65

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Solution

The fourth proportional to 2,094.10, 2,891.20 and 1,869.65 is: 2,581.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,094.10 : 2,891.20 = 1,869.65 : x
  2. Step 2: Convert to fraction form
    2,094.10/2,891.20 = 1,869.65/x
  3. Step 3: Cross multiply
    2,094.10x = 2,891.20 × 1,869.65
  4. Step 4: Simplify right side
    2,094.10x = 5,405,512.95
  5. Step 5: Solve for x
    x = 5,405,512.95/2,094.10
  6. Step 6: Final answer
    x = 2,581.31

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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.