Home / 2,405.04-3,607.56-1,107.42

Finding the Fourth Proportional to 2,405.04, 3,607.56 and 1,107.42

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Solution

The fourth proportional to 2,405.04, 3,607.56 and 1,107.42 is: 1,661.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,405.04 : 3,607.56 = 1,107.42 : x
  2. Step 2: Convert to fraction form
    2,405.04/3,607.56 = 1,107.42/x
  3. Step 3: Cross multiply
    2,405.04x = 3,607.56 × 1,107.42
  4. Step 4: Simplify right side
    2,405.04x = 3,995,084.10
  5. Step 5: Solve for x
    x = 3,995,084.10/2,405.04
  6. Step 6: Final answer
    x = 1,661.13

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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.