Home / 1,876.38-2,815.20-1,056.26

Finding the Fourth Proportional to 1,876.38, 2,815.20 and 1,056.26

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Solution

The fourth proportional to 1,876.38, 2,815.20 and 1,056.26 is: 1,584.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,876.38 : 2,815.20 = 1,056.26 : x
  2. Step 2: Convert to fraction form
    1,876.38/2,815.20 = 1,056.26/x
  3. Step 3: Cross multiply
    1,876.38x = 2,815.20 × 1,056.26
  4. Step 4: Simplify right side
    1,876.38x = 2,973,569.08
  5. Step 5: Solve for x
    x = 2,973,569.08/1,876.38
  6. Step 6: Final answer
    x = 1,584.74

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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.