Home / 4,289.29-5,919.45-2,400.76

Finding the Fourth Proportional to 4,289.29, 5,919.45 and 2,400.76

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Solution

The fourth proportional to 4,289.29, 5,919.45 and 2,400.76 is: 3,313.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,289.29 : 5,919.45 = 2,400.76 : x
  2. Step 2: Convert to fraction form
    4,289.29/5,919.45 = 2,400.76/x
  3. Step 3: Cross multiply
    4,289.29x = 5,919.45 × 2,400.76
  4. Step 4: Simplify right side
    4,289.29x = 14,211,178.78
  5. Step 5: Solve for x
    x = 14,211,178.78/4,289.29
  6. Step 6: Final answer
    x = 3,313.18

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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.