Home / 2,810.96-4,215.36-1,167.08

Finding the Fourth Proportional to 2,810.96, 4,215.36 and 1,167.08

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Solution

The fourth proportional to 2,810.96, 4,215.36 and 1,167.08 is: 1,750.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810.96 : 4,215.36 = 1,167.08 : x
  2. Step 2: Convert to fraction form
    2,810.96/4,215.36 = 1,167.08/x
  3. Step 3: Cross multiply
    2,810.96x = 4,215.36 × 1,167.08
  4. Step 4: Simplify right side
    2,810.96x = 4,919,662.35
  5. Step 5: Solve for x
    x = 4,919,662.35/2,810.96
  6. Step 6: Final answer
    x = 1,750.17

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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.