Home / 2,094.99-2,891.23-1,385.60

Finding the Fourth Proportional to 2,094.99, 2,891.23 and 1,385.60

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Solution

The fourth proportional to 2,094.99, 2,891.23 and 1,385.60 is: 1,912.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,094.99 : 2,891.23 = 1,385.60 : x
  2. Step 2: Convert to fraction form
    2,094.99/2,891.23 = 1,385.60/x
  3. Step 3: Cross multiply
    2,094.99x = 2,891.23 × 1,385.60
  4. Step 4: Simplify right side
    2,094.99x = 4,006,086.63
  5. Step 5: Solve for x
    x = 4,006,086.63/2,094.99
  6. Step 6: Final answer
    x = 1,912.22

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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.