Home / 3,074.88-4,248-2,146.08

Finding the Fourth Proportional to 3,074.88, 4,248 and 2,146.08

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Solution

The fourth proportional to 3,074.88, 4,248 and 2,146.08 is: 2,964.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,074.88 : 4,248 = 2,146.08 : x
  2. Step 2: Convert to fraction form
    3,074.88/4,248 = 2,146.08/x
  3. Step 3: Cross multiply
    3,074.88x = 4,248 × 2,146.08
  4. Step 4: Simplify right side
    3,074.88x = 9,116,547.84
  5. Step 5: Solve for x
    x = 9,116,547.84/3,074.88
  6. Step 6: Final answer
    x = 2,964.85

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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.