Home / 2,119.57-3,164.14-1,842.77

Finding the Fourth Proportional to 2,119.57, 3,164.14 and 1,842.77

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Solution

The fourth proportional to 2,119.57, 3,164.14 and 1,842.77 is: 2,750.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119.57 : 3,164.14 = 1,842.77 : x
  2. Step 2: Convert to fraction form
    2,119.57/3,164.14 = 1,842.77/x
  3. Step 3: Cross multiply
    2,119.57x = 3,164.14 × 1,842.77
  4. Step 4: Simplify right side
    2,119.57x = 5,830,773.05
  5. Step 5: Solve for x
    x = 5,830,773.05/2,119.57
  6. Step 6: Final answer
    x = 2,750.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.