Home / 2,926.62-4,038.74-1,878.68

Finding the Fourth Proportional to 2,926.62, 4,038.74 and 1,878.68

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Solution

The fourth proportional to 2,926.62, 4,038.74 and 1,878.68 is: 2,592.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,926.62 : 4,038.74 = 1,878.68 : x
  2. Step 2: Convert to fraction form
    2,926.62/4,038.74 = 1,878.68/x
  3. Step 3: Cross multiply
    2,926.62x = 4,038.74 × 1,878.68
  4. Step 4: Simplify right side
    2,926.62x = 7,587,500.06
  5. Step 5: Solve for x
    x = 7,587,500.06/2,926.62
  6. Step 6: Final answer
    x = 2,592.58

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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.