Home / 2,852.70-4,280.67-2,279.22

Finding the Fourth Proportional to 2,852.70, 4,280.67 and 2,279.22

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Solution

The fourth proportional to 2,852.70, 4,280.67 and 2,279.22 is: 3,420.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,852.70 : 4,280.67 = 2,279.22 : x
  2. Step 2: Convert to fraction form
    2,852.70/4,280.67 = 2,279.22/x
  3. Step 3: Cross multiply
    2,852.70x = 4,280.67 × 2,279.22
  4. Step 4: Simplify right side
    2,852.70x = 9,756,588.68
  5. Step 5: Solve for x
    x = 9,756,588.68/2,852.70
  6. Step 6: Final answer
    x = 3,420.12

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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.