Home / 1,760.72-2,428.70-1,130.60

Finding the Fourth Proportional to 1,760.72, 2,428.70 and 1,130.60

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Solution

The fourth proportional to 1,760.72, 2,428.70 and 1,130.60 is: 1,559.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,760.72 : 2,428.70 = 1,130.60 : x
  2. Step 2: Convert to fraction form
    1,760.72/2,428.70 = 1,130.60/x
  3. Step 3: Cross multiply
    1,760.72x = 2,428.70 × 1,130.60
  4. Step 4: Simplify right side
    1,760.72x = 2,745,888.22
  5. Step 5: Solve for x
    x = 2,745,888.22/1,760.72
  6. Step 6: Final answer
    x = 1,559.53

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.