Home / 1,481.23-2,225.07-904.51

Finding the Fourth Proportional to 1,481.23, 2,225.07 and 904.51

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Solution

The fourth proportional to 1,481.23, 2,225.07 and 904.51 is: 1,358.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,481.23 : 2,225.07 = 904.51 : x
  2. Step 2: Convert to fraction form
    1,481.23/2,225.07 = 904.51/x
  3. Step 3: Cross multiply
    1,481.23x = 2,225.07 × 904.51
  4. Step 4: Simplify right side
    1,481.23x = 2,012,598.07
  5. Step 5: Solve for x
    x = 2,012,598.07/1,481.23
  6. Step 6: Final answer
    x = 1,358.73

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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.