Home / 2,391.04-3,583.48-1,929.07

Finding the Fourth Proportional to 2,391.04, 3,583.48 and 1,929.07

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Solution

The fourth proportional to 2,391.04, 3,583.48 and 1,929.07 is: 2,891.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,391.04 : 3,583.48 = 1,929.07 : x
  2. Step 2: Convert to fraction form
    2,391.04/3,583.48 = 1,929.07/x
  3. Step 3: Cross multiply
    2,391.04x = 3,583.48 × 1,929.07
  4. Step 4: Simplify right side
    2,391.04x = 6,912,783.76
  5. Step 5: Solve for x
    x = 6,912,783.76/2,391.04
  6. Step 6: Final answer
    x = 2,891.12

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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.