Home / 3,119.24-4,306.60-2,000.64

Finding the Fourth Proportional to 3,119.24, 4,306.60 and 2,000.64

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Solution

The fourth proportional to 3,119.24, 4,306.60 and 2,000.64 is: 2,762.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119.24 : 4,306.60 = 2,000.64 : x
  2. Step 2: Convert to fraction form
    3,119.24/4,306.60 = 2,000.64/x
  3. Step 3: Cross multiply
    3,119.24x = 4,306.60 × 2,000.64
  4. Step 4: Simplify right side
    3,119.24x = 8,615,956.22
  5. Step 5: Solve for x
    x = 8,615,956.22/3,119.24
  6. Step 6: Final answer
    x = 2,762.20

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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.