Home / 3,358.23-5,039.88-2,420.72

Finding the Fourth Proportional to 3,358.23, 5,039.88 and 2,420.72

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Solution

The fourth proportional to 3,358.23, 5,039.88 and 2,420.72 is: 3,632.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,358.23 : 5,039.88 = 2,420.72 : x
  2. Step 2: Convert to fraction form
    3,358.23/5,039.88 = 2,420.72/x
  3. Step 3: Cross multiply
    3,358.23x = 5,039.88 × 2,420.72
  4. Step 4: Simplify right side
    3,358.23x = 12,200,125.71
  5. Step 5: Solve for x
    x = 12,200,125.71/3,358.23
  6. Step 6: Final answer
    x = 3,632.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.