Home / 3,360.24-4,636.45-1,962.72

Finding the Fourth Proportional to 3,360.24, 4,636.45 and 1,962.72

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Solution

The fourth proportional to 3,360.24, 4,636.45 and 1,962.72 is: 2,708.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,360.24 : 4,636.45 = 1,962.72 : x
  2. Step 2: Convert to fraction form
    3,360.24/4,636.45 = 1,962.72/x
  3. Step 3: Cross multiply
    3,360.24x = 4,636.45 × 1,962.72
  4. Step 4: Simplify right side
    3,360.24x = 9,100,025.05
  5. Step 5: Solve for x
    x = 9,100,025.05/3,360.24
  6. Step 6: Final answer
    x = 2,708.15

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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.