Home / 2,997.88-4,497.70-1,538.06

Finding the Fourth Proportional to 2,997.88, 4,497.70 and 1,538.06

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Solution

The fourth proportional to 2,997.88, 4,497.70 and 1,538.06 is: 2,307.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,997.88 : 4,497.70 = 1,538.06 : x
  2. Step 2: Convert to fraction form
    2,997.88/4,497.70 = 1,538.06/x
  3. Step 3: Cross multiply
    2,997.88x = 4,497.70 × 1,538.06
  4. Step 4: Simplify right side
    2,997.88x = 6,917,732.46
  5. Step 5: Solve for x
    x = 6,917,732.46/2,997.88
  6. Step 6: Final answer
    x = 2,307.54

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1.5x scale

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.