Home / 4,290.60-5,919.64-2,401.90

Finding the Fourth Proportional to 4,290.60, 5,919.64 and 2,401.90

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Solution

The fourth proportional to 4,290.60, 5,919.64 and 2,401.90 is: 3,313.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,290.60 : 5,919.64 = 2,401.90 : x
  2. Step 2: Convert to fraction form
    4,290.60/5,919.64 = 2,401.90/x
  3. Step 3: Cross multiply
    4,290.60x = 5,919.64 × 2,401.90
  4. Step 4: Simplify right side
    4,290.60x = 14,218,383.32
  5. Step 5: Solve for x
    x = 14,218,383.32/4,290.60
  6. Step 6: Final answer
    x = 3,313.84

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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.