Home / 1,576.48-2,365.44-927.40

Finding the Fourth Proportional to 1,576.48, 2,365.44 and 927.40

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Solution

The fourth proportional to 1,576.48, 2,365.44 and 927.40 is: 1,391.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,576.48 : 2,365.44 = 927.40 : x
  2. Step 2: Convert to fraction form
    1,576.48/2,365.44 = 927.40/x
  3. Step 3: Cross multiply
    1,576.48x = 2,365.44 × 927.40
  4. Step 4: Simplify right side
    1,576.48x = 2,193,709.06
  5. Step 5: Solve for x
    x = 2,193,709.06/1,576.48
  6. Step 6: Final answer
    x = 1,391.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.