Home / 1,916.61-2,869.83-1,544.43

Finding the Fourth Proportional to 1,916.61, 2,869.83 and 1,544.43

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Solution

The fourth proportional to 1,916.61, 2,869.83 and 1,544.43 is: 2,312.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916.61 : 2,869.83 = 1,544.43 : x
  2. Step 2: Convert to fraction form
    1,916.61/2,869.83 = 1,544.43/x
  3. Step 3: Cross multiply
    1,916.61x = 2,869.83 × 1,544.43
  4. Step 4: Simplify right side
    1,916.61x = 4,432,251.55
  5. Step 5: Solve for x
    x = 4,432,251.55/1,916.61
  6. Step 6: Final answer
    x = 2,312.55

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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.