Home / 2,876.64-4,307.68-1,998.08

Finding the Fourth Proportional to 2,876.64, 4,307.68 and 1,998.08

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Solution

The fourth proportional to 2,876.64, 4,307.68 and 1,998.08 is: 2,992.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,876.64 : 4,307.68 = 1,998.08 : x
  2. Step 2: Convert to fraction form
    2,876.64/4,307.68 = 1,998.08/x
  3. Step 3: Cross multiply
    2,876.64x = 4,307.68 × 1,998.08
  4. Step 4: Simplify right side
    2,876.64x = 8,607,089.25
  5. Step 5: Solve for x
    x = 8,607,089.25/2,876.64
  6. Step 6: Final answer
    x = 2,992.06

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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.