Home / 3,007.55-4,513.05-1,620.88

Finding the Fourth Proportional to 3,007.55, 4,513.05 and 1,620.88

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Solution

The fourth proportional to 3,007.55, 4,513.05 and 1,620.88 is: 2,432.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,007.55 : 4,513.05 = 1,620.88 : x
  2. Step 2: Convert to fraction form
    3,007.55/4,513.05 = 1,620.88/x
  3. Step 3: Cross multiply
    3,007.55x = 4,513.05 × 1,620.88
  4. Step 4: Simplify right side
    3,007.55x = 7,315,101.20
  5. Step 5: Solve for x
    x = 7,315,101.20/3,007.55
  6. Step 6: Final answer
    x = 2,432.24

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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.