Home / 2,916.15-4,372.62-1,992.75

Finding the Fourth Proportional to 2,916.15, 4,372.62 and 1,992.75

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Solution

The fourth proportional to 2,916.15, 4,372.62 and 1,992.75 is: 2,988.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916.15 : 4,372.62 = 1,992.75 : x
  2. Step 2: Convert to fraction form
    2,916.15/4,372.62 = 1,992.75/x
  3. Step 3: Cross multiply
    2,916.15x = 4,372.62 × 1,992.75
  4. Step 4: Simplify right side
    2,916.15x = 8,713,538.51
  5. Step 5: Solve for x
    x = 8,713,538.51/2,916.15
  6. Step 6: Final answer
    x = 2,988.03

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1.5x scale

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.