Home / 3,021.87-4,170.51-1,842.93

Finding the Fourth Proportional to 3,021.87, 4,170.51 and 1,842.93

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Solution

The fourth proportional to 3,021.87, 4,170.51 and 1,842.93 is: 2,543.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021.87 : 4,170.51 = 1,842.93 : x
  2. Step 2: Convert to fraction form
    3,021.87/4,170.51 = 1,842.93/x
  3. Step 3: Cross multiply
    3,021.87x = 4,170.51 × 1,842.93
  4. Step 4: Simplify right side
    3,021.87x = 7,685,957.99
  5. Step 5: Solve for x
    x = 7,685,957.99/3,021.87
  6. Step 6: Final answer
    x = 2,543.44

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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.