Home / 2,975.81-4,104.34-1,854.68

Finding the Fourth Proportional to 2,975.81, 4,104.34 and 1,854.68

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Solution

The fourth proportional to 2,975.81, 4,104.34 and 1,854.68 is: 2,558.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,975.81 : 4,104.34 = 1,854.68 : x
  2. Step 2: Convert to fraction form
    2,975.81/4,104.34 = 1,854.68/x
  3. Step 3: Cross multiply
    2,975.81x = 4,104.34 × 1,854.68
  4. Step 4: Simplify right side
    2,975.81x = 7,612,212.15
  5. Step 5: Solve for x
    x = 7,612,212.15/2,975.81
  6. Step 6: Final answer
    x = 2,558.03

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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.