Home / 3,823.09-5,276.08-2,877.18

Finding the Fourth Proportional to 3,823.09, 5,276.08 and 2,877.18

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Solution

The fourth proportional to 3,823.09, 5,276.08 and 2,877.18 is: 3,970.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,823.09 : 5,276.08 = 2,877.18 : x
  2. Step 2: Convert to fraction form
    3,823.09/5,276.08 = 2,877.18/x
  3. Step 3: Cross multiply
    3,823.09x = 5,276.08 × 2,877.18
  4. Step 4: Simplify right side
    3,823.09x = 15,180,231.85
  5. Step 5: Solve for x
    x = 15,180,231.85/3,823.09
  6. Step 6: Final answer
    x = 3,970.67

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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.