Home / 3,674.70-5,058.45-2,790.18

Finding the Fourth Proportional to 3,674.70, 5,058.45 and 2,790.18

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Solution

The fourth proportional to 3,674.70, 5,058.45 and 2,790.18 is: 3,840.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,674.70 : 5,058.45 = 2,790.18 : x
  2. Step 2: Convert to fraction form
    3,674.70/5,058.45 = 2,790.18/x
  3. Step 3: Cross multiply
    3,674.70x = 5,058.45 × 2,790.18
  4. Step 4: Simplify right side
    3,674.70x = 14,113,986.02
  5. Step 5: Solve for x
    x = 14,113,986.02/3,674.70
  6. Step 6: Final answer
    x = 3,840.85

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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.