Home / 3,021.86-4,535.25-1,561.46

Finding the Fourth Proportional to 3,021.86, 4,535.25 and 1,561.46

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Solution

The fourth proportional to 3,021.86, 4,535.25 and 1,561.46 is: 2,343.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021.86 : 4,535.25 = 1,561.46 : x
  2. Step 2: Convert to fraction form
    3,021.86/4,535.25 = 1,561.46/x
  3. Step 3: Cross multiply
    3,021.86x = 4,535.25 × 1,561.46
  4. Step 4: Simplify right side
    3,021.86x = 7,081,611.47
  5. Step 5: Solve for x
    x = 7,081,611.47/3,021.86
  6. Step 6: Final answer
    x = 2,343.46

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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.