Home / 1,760.09-2,428.67-1,003.75

Finding the Fourth Proportional to 1,760.09, 2,428.67 and 1,003.75

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Solution

The fourth proportional to 1,760.09, 2,428.67 and 1,003.75 is: 1,385.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,760.09 : 2,428.67 = 1,003.75 : x
  2. Step 2: Convert to fraction form
    1,760.09/2,428.67 = 1,003.75/x
  3. Step 3: Cross multiply
    1,760.09x = 2,428.67 × 1,003.75
  4. Step 4: Simplify right side
    1,760.09x = 2,437,776.76
  5. Step 5: Solve for x
    x = 2,437,776.76/1,760.09
  6. Step 6: Final answer
    x = 1,385.03

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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.