Home / 3,258.48-4,888.56-1,309.68

Finding the Fourth Proportional to 3,258.48, 4,888.56 and 1,309.68

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Solution

The fourth proportional to 3,258.48, 4,888.56 and 1,309.68 is: 1,964.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,258.48 : 4,888.56 = 1,309.68 : x
  2. Step 2: Convert to fraction form
    3,258.48/4,888.56 = 1,309.68/x
  3. Step 3: Cross multiply
    3,258.48x = 4,888.56 × 1,309.68
  4. Step 4: Simplify right side
    3,258.48x = 6,402,449.26
  5. Step 5: Solve for x
    x = 6,402,449.26/3,258.48
  6. Step 6: Final answer
    x = 1,964.86

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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.