Home / 2,817.15-3,887.64-1,769.01

Finding the Fourth Proportional to 2,817.15, 3,887.64 and 1,769.01

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Solution

The fourth proportional to 2,817.15, 3,887.64 and 1,769.01 is: 2,441.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,817.15 : 3,887.64 = 1,769.01 : x
  2. Step 2: Convert to fraction form
    2,817.15/3,887.64 = 1,769.01/x
  3. Step 3: Cross multiply
    2,817.15x = 3,887.64 × 1,769.01
  4. Step 4: Simplify right side
    2,817.15x = 6,877,274.04
  5. Step 5: Solve for x
    x = 6,877,274.04/2,817.15
  6. Step 6: Final answer
    x = 2,441.22

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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.