Home / 3,640.21-5,026.67-2,852.89

Finding the Fourth Proportional to 3,640.21, 5,026.67 and 2,852.89

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Solution

The fourth proportional to 3,640.21, 5,026.67 and 2,852.89 is: 3,939.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640.21 : 5,026.67 = 2,852.89 : x
  2. Step 2: Convert to fraction form
    3,640.21/5,026.67 = 2,852.89/x
  3. Step 3: Cross multiply
    3,640.21x = 5,026.67 × 2,852.89
  4. Step 4: Simplify right side
    3,640.21x = 14,340,522.31
  5. Step 5: Solve for x
    x = 14,340,522.31/3,640.21
  6. Step 6: Final answer
    x = 3,939.48

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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.