Home / 3,666.28-5,058.84-2,072.20

Finding the Fourth Proportional to 3,666.28, 5,058.84 and 2,072.20

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Solution

The fourth proportional to 3,666.28, 5,058.84 and 2,072.20 is: 2,859.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,666.28 : 5,058.84 = 2,072.20 : x
  2. Step 2: Convert to fraction form
    3,666.28/5,058.84 = 2,072.20/x
  3. Step 3: Cross multiply
    3,666.28x = 5,058.84 × 2,072.20
  4. Step 4: Simplify right side
    3,666.28x = 10,482,928.25
  5. Step 5: Solve for x
    x = 10,482,928.25/3,666.28
  6. Step 6: Final answer
    x = 2,859.28

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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.