Home / 4,030.29-5,561.77-2,261.90

Finding the Fourth Proportional to 4,030.29, 5,561.77 and 2,261.90

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Solution

The fourth proportional to 4,030.29, 5,561.77 and 2,261.90 is: 3,121.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,030.29 : 5,561.77 = 2,261.90 : x
  2. Step 2: Convert to fraction form
    4,030.29/5,561.77 = 2,261.90/x
  3. Step 3: Cross multiply
    4,030.29x = 5,561.77 × 2,261.90
  4. Step 4: Simplify right side
    4,030.29x = 12,580,167.56
  5. Step 5: Solve for x
    x = 12,580,167.56/4,030.29
  6. Step 6: Final answer
    x = 3,121.41

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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.