Home / 3,670.10-5,058.84-2,872.08

Finding the Fourth Proportional to 3,670.10, 5,058.84 and 2,872.08

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Solution

The fourth proportional to 3,670.10, 5,058.84 and 2,872.08 is: 3,958.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,670.10 : 5,058.84 = 2,872.08 : x
  2. Step 2: Convert to fraction form
    3,670.10/5,058.84 = 2,872.08/x
  3. Step 3: Cross multiply
    3,670.10x = 5,058.84 × 2,872.08
  4. Step 4: Simplify right side
    3,670.10x = 14,529,393.19
  5. Step 5: Solve for x
    x = 14,529,393.19/3,670.10
  6. Step 6: Final answer
    x = 3,958.85

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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.