Home / 4,320.63-5,961.87-2,431.89

Finding the Fourth Proportional to 4,320.63, 5,961.87 and 2,431.89

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Solution

The fourth proportional to 4,320.63, 5,961.87 and 2,431.89 is: 3,355.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,320.63 : 5,961.87 = 2,431.89 : x
  2. Step 2: Convert to fraction form
    4,320.63/5,961.87 = 2,431.89/x
  3. Step 3: Cross multiply
    4,320.63x = 5,961.87 × 2,431.89
  4. Step 4: Simplify right side
    4,320.63x = 14,498,612.03
  5. Step 5: Solve for x
    x = 14,498,612.03/4,320.63
  6. Step 6: Final answer
    x = 3,355.67

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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.