Home / 2,974.16-4,102.98-1,926.56

Finding the Fourth Proportional to 2,974.16, 4,102.98 and 1,926.56

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Solution

The fourth proportional to 2,974.16, 4,102.98 and 1,926.56 is: 2,657.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,974.16 : 4,102.98 = 1,926.56 : x
  2. Step 2: Convert to fraction form
    2,974.16/4,102.98 = 1,926.56/x
  3. Step 3: Cross multiply
    2,974.16x = 4,102.98 × 1,926.56
  4. Step 4: Simplify right side
    2,974.16x = 7,904,637.15
  5. Step 5: Solve for x
    x = 7,904,637.15/2,974.16
  6. Step 6: Final answer
    x = 2,657.77

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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.