Home / 2,929.23-4,393.69-1,080.19

Finding the Fourth Proportional to 2,929.23, 4,393.69 and 1,080.19

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Solution

The fourth proportional to 2,929.23, 4,393.69 and 1,080.19 is: 1,620.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929.23 : 4,393.69 = 1,080.19 : x
  2. Step 2: Convert to fraction form
    2,929.23/4,393.69 = 1,080.19/x
  3. Step 3: Cross multiply
    2,929.23x = 4,393.69 × 1,080.19
  4. Step 4: Simplify right side
    2,929.23x = 4,746,020.00
  5. Step 5: Solve for x
    x = 4,746,020.00/2,929.23
  6. Step 6: Final answer
    x = 1,620.23

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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.