Home / 1,694.04-2,542.08-720.14

Finding the Fourth Proportional to 1,694.04, 2,542.08 and 720.14

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Solution

The fourth proportional to 1,694.04, 2,542.08 and 720.14 is: 1,080.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,694.04 : 2,542.08 = 720.14 : x
  2. Step 2: Convert to fraction form
    1,694.04/2,542.08 = 720.14/x
  3. Step 3: Cross multiply
    1,694.04x = 2,542.08 × 720.14
  4. Step 4: Simplify right side
    1,694.04x = 1,830,657.78
  5. Step 5: Solve for x
    x = 1,830,657.78/1,694.04
  6. Step 6: Final answer
    x = 1,080.65

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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.