Home / 4,289.90-5,919.68-2,401.23

Finding the Fourth Proportional to 4,289.90, 5,919.68 and 2,401.23

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Solution

The fourth proportional to 4,289.90, 5,919.68 and 2,401.23 is: 3,313.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,289.90 : 5,919.68 = 2,401.23 : x
  2. Step 2: Convert to fraction form
    4,289.90/5,919.68 = 2,401.23/x
  3. Step 3: Cross multiply
    4,289.90x = 5,919.68 × 2,401.23
  4. Step 4: Simplify right side
    4,289.90x = 14,214,501.20
  5. Step 5: Solve for x
    x = 14,214,501.20/4,289.90
  6. Step 6: Final answer
    x = 3,313.48

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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.