Home / 4,253.85-6,382.51-1,880.67

Finding the Fourth Proportional to 4,253.85, 6,382.51 and 1,880.67

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Solution

The fourth proportional to 4,253.85, 6,382.51 and 1,880.67 is: 2,821.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,253.85 : 6,382.51 = 1,880.67 : x
  2. Step 2: Convert to fraction form
    4,253.85/6,382.51 = 1,880.67/x
  3. Step 3: Cross multiply
    4,253.85x = 6,382.51 × 1,880.67
  4. Step 4: Simplify right side
    4,253.85x = 12,003,395.08
  5. Step 5: Solve for x
    x = 12,003,395.08/4,253.85
  6. Step 6: Final answer
    x = 2,821.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.