Home / 3,021.63-4,534.87-1,561.20

Finding the Fourth Proportional to 3,021.63, 4,534.87 and 1,561.20

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Solution

The fourth proportional to 3,021.63, 4,534.87 and 1,561.20 is: 2,343.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021.63 : 4,534.87 = 1,561.20 : x
  2. Step 2: Convert to fraction form
    3,021.63/4,534.87 = 1,561.20/x
  3. Step 3: Cross multiply
    3,021.63x = 4,534.87 × 1,561.20
  4. Step 4: Simplify right side
    3,021.63x = 7,079,839.04
  5. Step 5: Solve for x
    x = 7,079,839.04/3,021.63
  6. Step 6: Final answer
    x = 2,343.05

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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.