Home / 3,920.98-5,410.51-2,327.06

Finding the Fourth Proportional to 3,920.98, 5,410.51 and 2,327.06

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Solution

The fourth proportional to 3,920.98, 5,410.51 and 2,327.06 is: 3,211.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,920.98 : 5,410.51 = 2,327.06 : x
  2. Step 2: Convert to fraction form
    3,920.98/5,410.51 = 2,327.06/x
  3. Step 3: Cross multiply
    3,920.98x = 5,410.51 × 2,327.06
  4. Step 4: Simplify right side
    3,920.98x = 12,590,581.40
  5. Step 5: Solve for x
    x = 12,590,581.40/3,920.98
  6. Step 6: Final answer
    x = 3,211.08

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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.