Home / 2,925.06-4,382.63-1,768.38

Finding the Fourth Proportional to 2,925.06, 4,382.63 and 1,768.38

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Solution

The fourth proportional to 2,925.06, 4,382.63 and 1,768.38 is: 2,649.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,925.06 : 4,382.63 = 1,768.38 : x
  2. Step 2: Convert to fraction form
    2,925.06/4,382.63 = 1,768.38/x
  3. Step 3: Cross multiply
    2,925.06x = 4,382.63 × 1,768.38
  4. Step 4: Simplify right side
    2,925.06x = 7,750,137.75
  5. Step 5: Solve for x
    x = 7,750,137.75/2,925.06
  6. Step 6: Final answer
    x = 2,649.57

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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.