Home / 2,630.12-3,629.53-1,451.16

Finding the Fourth Proportional to 2,630.12, 3,629.53 and 1,451.16

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Solution

The fourth proportional to 2,630.12, 3,629.53 and 1,451.16 is: 2,002.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,630.12 : 3,629.53 = 1,451.16 : x
  2. Step 2: Convert to fraction form
    2,630.12/3,629.53 = 1,451.16/x
  3. Step 3: Cross multiply
    2,630.12x = 3,629.53 × 1,451.16
  4. Step 4: Simplify right side
    2,630.12x = 5,267,025.13
  5. Step 5: Solve for x
    x = 5,267,025.13/2,630.12
  6. Step 6: Final answer
    x = 2,002.58

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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.