Home / 1,760.14-2,428.30-1,130.58

Finding the Fourth Proportional to 1,760.14, 2,428.30 and 1,130.58

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Solution

The fourth proportional to 1,760.14, 2,428.30 and 1,130.58 is: 1,559.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,760.14 : 2,428.30 = 1,130.58 : x
  2. Step 2: Convert to fraction form
    1,760.14/2,428.30 = 1,130.58/x
  3. Step 3: Cross multiply
    1,760.14x = 2,428.30 × 1,130.58
  4. Step 4: Simplify right side
    1,760.14x = 2,745,375.48
  5. Step 5: Solve for x
    x = 2,745,375.48/1,760.14
  6. Step 6: Final answer
    x = 1,559.75

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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.