Home / 3,020.07-4,530.55-940.26

Finding the Fourth Proportional to 3,020.07, 4,530.55 and 940.26

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Solution

The fourth proportional to 3,020.07, 4,530.55 and 940.26 is: 1,410.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020.07 : 4,530.55 = 940.26 : x
  2. Step 2: Convert to fraction form
    3,020.07/4,530.55 = 940.26/x
  3. Step 3: Cross multiply
    3,020.07x = 4,530.55 × 940.26
  4. Step 4: Simplify right side
    3,020.07x = 4,259,909.58
  5. Step 5: Solve for x
    x = 4,259,909.58/3,020.07
  6. Step 6: Final answer
    x = 1,410.53

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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.