Home / 4,030.38-5,561.98-2,261.95

Finding the Fourth Proportional to 4,030.38, 5,561.98 and 2,261.95

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Solution

The fourth proportional to 4,030.38, 5,561.98 and 2,261.95 is: 3,121.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,030.38 : 5,561.98 = 2,261.95 : x
  2. Step 2: Convert to fraction form
    4,030.38/5,561.98 = 2,261.95/x
  3. Step 3: Cross multiply
    4,030.38x = 5,561.98 × 2,261.95
  4. Step 4: Simplify right side
    4,030.38x = 12,580,901.10
  5. Step 5: Solve for x
    x = 12,580,901.10/4,030.38
  6. Step 6: Final answer
    x = 3,121.52

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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.