Home / 2,938.02-4,408.86-1,206.65

Finding the Fourth Proportional to 2,938.02, 4,408.86 and 1,206.65

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Solution

The fourth proportional to 2,938.02, 4,408.86 and 1,206.65 is: 1,810.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938.02 : 4,408.86 = 1,206.65 : x
  2. Step 2: Convert to fraction form
    2,938.02/4,408.86 = 1,206.65/x
  3. Step 3: Cross multiply
    2,938.02x = 4,408.86 × 1,206.65
  4. Step 4: Simplify right side
    2,938.02x = 5,319,950.92
  5. Step 5: Solve for x
    x = 5,319,950.92/2,938.02
  6. Step 6: Final answer
    x = 1,810.73

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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.