Home / 1,362.90-2,044.60-497.28

Finding the Fourth Proportional to 1,362.90, 2,044.60 and 497.28

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Solution

The fourth proportional to 1,362.90, 2,044.60 and 497.28 is: 746.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362.90 : 2,044.60 = 497.28 : x
  2. Step 2: Convert to fraction form
    1,362.90/2,044.60 = 497.28/x
  3. Step 3: Cross multiply
    1,362.90x = 2,044.60 × 497.28
  4. Step 4: Simplify right side
    1,362.90x = 1,016,738.69
  5. Step 5: Solve for x
    x = 1,016,738.69/1,362.90
  6. Step 6: Final answer
    x = 746.01

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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.