Home / 1,548.48-2,323.26-683.40

Finding the Fourth Proportional to 1,548.48, 2,323.26 and 683.40

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Solution

The fourth proportional to 1,548.48, 2,323.26 and 683.40 is: 1,025.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,548.48 : 2,323.26 = 683.40 : x
  2. Step 2: Convert to fraction form
    1,548.48/2,323.26 = 683.40/x
  3. Step 3: Cross multiply
    1,548.48x = 2,323.26 × 683.40
  4. Step 4: Simplify right side
    1,548.48x = 1,587,715.88
  5. Step 5: Solve for x
    x = 1,587,715.88/1,548.48
  6. Step 6: Final answer
    x = 1,025.34

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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.