Home / 1,892.50-2,842.81-1,830.23

Finding the Fourth Proportional to 1,892.50, 2,842.81 and 1,830.23

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Solution

The fourth proportional to 1,892.50, 2,842.81 and 1,830.23 is: 2,749.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,892.50 : 2,842.81 = 1,830.23 : x
  2. Step 2: Convert to fraction form
    1,892.50/2,842.81 = 1,830.23/x
  3. Step 3: Cross multiply
    1,892.50x = 2,842.81 × 1,830.23
  4. Step 4: Simplify right side
    1,892.50x = 5,202,988.02
  5. Step 5: Solve for x
    x = 5,202,988.02/1,892.50
  6. Step 6: Final answer
    x = 2,749.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.