Home / 3,124.35-4,309.62-2,376.67

Finding the Fourth Proportional to 3,124.35, 4,309.62 and 2,376.67

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Solution

The fourth proportional to 3,124.35, 4,309.62 and 2,376.67 is: 3,278.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124.35 : 4,309.62 = 2,376.67 : x
  2. Step 2: Convert to fraction form
    3,124.35/4,309.62 = 2,376.67/x
  3. Step 3: Cross multiply
    3,124.35x = 4,309.62 × 2,376.67
  4. Step 4: Simplify right side
    3,124.35x = 10,242,544.57
  5. Step 5: Solve for x
    x = 10,242,544.57/3,124.35
  6. Step 6: Final answer
    x = 3,278.30

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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.