Home / 4,319.21-5,960.35-2,640.68

Finding the Fourth Proportional to 4,319.21, 5,960.35 and 2,640.68

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Solution

The fourth proportional to 4,319.21, 5,960.35 and 2,640.68 is: 3,644.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,319.21 : 5,960.35 = 2,640.68 : x
  2. Step 2: Convert to fraction form
    4,319.21/5,960.35 = 2,640.68/x
  3. Step 3: Cross multiply
    4,319.21x = 5,960.35 × 2,640.68
  4. Step 4: Simplify right side
    4,319.21x = 15,739,406.42
  5. Step 5: Solve for x
    x = 15,739,406.42/4,319.21
  6. Step 6: Final answer
    x = 3,644.05

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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.