Home / 4,211.20-5,810.70-2,718.82

Finding the Fourth Proportional to 4,211.20, 5,810.70 and 2,718.82

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Solution

The fourth proportional to 4,211.20, 5,810.70 and 2,718.82 is: 3,751.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,211.20 : 5,810.70 = 2,718.82 : x
  2. Step 2: Convert to fraction form
    4,211.20/5,810.70 = 2,718.82/x
  3. Step 3: Cross multiply
    4,211.20x = 5,810.70 × 2,718.82
  4. Step 4: Simplify right side
    4,211.20x = 15,798,247.37
  5. Step 5: Solve for x
    x = 15,798,247.37/4,211.20
  6. Step 6: Final answer
    x = 3,751.48

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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.