Home / 3,461.15-4,775.74-1,968.98

Finding the Fourth Proportional to 3,461.15, 4,775.74 and 1,968.98

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Solution

The fourth proportional to 3,461.15, 4,775.74 and 1,968.98 is: 2,716.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,461.15 : 4,775.74 = 1,968.98 : x
  2. Step 2: Convert to fraction form
    3,461.15/4,775.74 = 1,968.98/x
  3. Step 3: Cross multiply
    3,461.15x = 4,775.74 × 1,968.98
  4. Step 4: Simplify right side
    3,461.15x = 9,403,318.82
  5. Step 5: Solve for x
    x = 9,403,318.82/3,461.15
  6. Step 6: Final answer
    x = 2,716.82

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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.