Home / 2,984.83-4,119.42-1,790.17

Finding the Fourth Proportional to 2,984.83, 4,119.42 and 1,790.17

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Solution

The fourth proportional to 2,984.83, 4,119.42 and 1,790.17 is: 2,470.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,984.83 : 4,119.42 = 1,790.17 : x
  2. Step 2: Convert to fraction form
    2,984.83/4,119.42 = 1,790.17/x
  3. Step 3: Cross multiply
    2,984.83x = 4,119.42 × 1,790.17
  4. Step 4: Simplify right side
    2,984.83x = 7,374,462.10
  5. Step 5: Solve for x
    x = 7,374,462.10/2,984.83
  6. Step 6: Final answer
    x = 2,470.65

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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.