Home / 3,287.90-4,929.42-1,554.50

Finding the Fourth Proportional to 3,287.90, 4,929.42 and 1,554.50

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Solution

The fourth proportional to 3,287.90, 4,929.42 and 1,554.50 is: 2,330.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,287.90 : 4,929.42 = 1,554.50 : x
  2. Step 2: Convert to fraction form
    3,287.90/4,929.42 = 1,554.50/x
  3. Step 3: Cross multiply
    3,287.90x = 4,929.42 × 1,554.50
  4. Step 4: Simplify right side
    3,287.90x = 7,662,783.39
  5. Step 5: Solve for x
    x = 7,662,783.39/3,287.90
  6. Step 6: Final answer
    x = 2,330.60

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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.