Home / 3,852.09-5,312.25-2,966.31

Finding the Fourth Proportional to 3,852.09, 5,312.25 and 2,966.31

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Solution

The fourth proportional to 3,852.09, 5,312.25 and 2,966.31 is: 4,090.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,852.09 : 5,312.25 = 2,966.31 : x
  2. Step 2: Convert to fraction form
    3,852.09/5,312.25 = 2,966.31/x
  3. Step 3: Cross multiply
    3,852.09x = 5,312.25 × 2,966.31
  4. Step 4: Simplify right side
    3,852.09x = 15,757,780.30
  5. Step 5: Solve for x
    x = 15,757,780.30/3,852.09
  6. Step 6: Final answer
    x = 4,090.71

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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.