Home / 2,919.50-4,374.09-1,877.06

Finding the Fourth Proportional to 2,919.50, 4,374.09 and 1,877.06

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Solution

The fourth proportional to 2,919.50, 4,374.09 and 1,877.06 is: 2,812.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,919.50 : 4,374.09 = 1,877.06 : x
  2. Step 2: Convert to fraction form
    2,919.50/4,374.09 = 1,877.06/x
  3. Step 3: Cross multiply
    2,919.50x = 4,374.09 × 1,877.06
  4. Step 4: Simplify right side
    2,919.50x = 8,210,429.38
  5. Step 5: Solve for x
    x = 8,210,429.38/2,919.50
  6. Step 6: Final answer
    x = 2,812.27

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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.