Home / 2,148.84-2,964.42-1,774.44

Finding the Fourth Proportional to 2,148.84, 2,964.42 and 1,774.44

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Solution

The fourth proportional to 2,148.84, 2,964.42 and 1,774.44 is: 2,447.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148.84 : 2,964.42 = 1,774.44 : x
  2. Step 2: Convert to fraction form
    2,148.84/2,964.42 = 1,774.44/x
  3. Step 3: Cross multiply
    2,148.84x = 2,964.42 × 1,774.44
  4. Step 4: Simplify right side
    2,148.84x = 5,260,185.42
  5. Step 5: Solve for x
    x = 5,260,185.42/2,148.84
  6. Step 6: Final answer
    x = 2,447.92

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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.