Home / 2,465.48-3,698.52-905.30

Finding the Fourth Proportional to 2,465.48, 3,698.52 and 905.30

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Solution

The fourth proportional to 2,465.48, 3,698.52 and 905.30 is: 1,358.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,465.48 : 3,698.52 = 905.30 : x
  2. Step 2: Convert to fraction form
    2,465.48/3,698.52 = 905.30/x
  3. Step 3: Cross multiply
    2,465.48x = 3,698.52 × 905.30
  4. Step 4: Simplify right side
    2,465.48x = 3,348,270.16
  5. Step 5: Solve for x
    x = 3,348,270.16/2,465.48
  6. Step 6: Final answer
    x = 1,358.06

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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.