Home / 2,926.14-4,036.56-1,981.98

Finding the Fourth Proportional to 2,926.14, 4,036.56 and 1,981.98

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Solution

The fourth proportional to 2,926.14, 4,036.56 and 1,981.98 is: 2,734.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,926.14 : 4,036.56 = 1,981.98 : x
  2. Step 2: Convert to fraction form
    2,926.14/4,036.56 = 1,981.98/x
  3. Step 3: Cross multiply
    2,926.14x = 4,036.56 × 1,981.98
  4. Step 4: Simplify right side
    2,926.14x = 8,000,381.19
  5. Step 5: Solve for x
    x = 8,000,381.19/2,926.14
  6. Step 6: Final answer
    x = 2,734.11

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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.