Home / 1,694.42-2,541.01-720.19

Finding the Fourth Proportional to 1,694.42, 2,541.01 and 720.19

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Solution

The fourth proportional to 1,694.42, 2,541.01 and 720.19 is: 1,080.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,694.42 : 2,541.01 = 720.19 : x
  2. Step 2: Convert to fraction form
    1,694.42/2,541.01 = 720.19/x
  3. Step 3: Cross multiply
    1,694.42x = 2,541.01 × 720.19
  4. Step 4: Simplify right side
    1,694.42x = 1,830,009.99
  5. Step 5: Solve for x
    x = 1,830,009.99/1,694.42
  6. Step 6: Final answer
    x = 1,080.02

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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.