Home / 1,666.17-2,299.38-1,028.25

Finding the Fourth Proportional to 1,666.17, 2,299.38 and 1,028.25

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Solution

The fourth proportional to 1,666.17, 2,299.38 and 1,028.25 is: 1,419.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,666.17 : 2,299.38 = 1,028.25 : x
  2. Step 2: Convert to fraction form
    1,666.17/2,299.38 = 1,028.25/x
  3. Step 3: Cross multiply
    1,666.17x = 2,299.38 × 1,028.25
  4. Step 4: Simplify right side
    1,666.17x = 2,364,337.49
  5. Step 5: Solve for x
    x = 2,364,337.49/1,666.17
  6. Step 6: Final answer
    x = 1,419.03

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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.