Home / 2,115.96-2,916.78-1,526.52

Finding the Fourth Proportional to 2,115.96, 2,916.78 and 1,526.52

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Solution

The fourth proportional to 2,115.96, 2,916.78 and 1,526.52 is: 2,104.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,115.96 : 2,916.78 = 1,526.52 : x
  2. Step 2: Convert to fraction form
    2,115.96/2,916.78 = 1,526.52/x
  3. Step 3: Cross multiply
    2,115.96x = 2,916.78 × 1,526.52
  4. Step 4: Simplify right side
    2,115.96x = 4,452,523.01
  5. Step 5: Solve for x
    x = 4,452,523.01/2,115.96
  6. Step 6: Final answer
    x = 2,104.26

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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.