Home / 1,603.24-2,405.10-1,090.60

Finding the Fourth Proportional to 1,603.24, 2,405.10 and 1,090.60

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Solution

The fourth proportional to 1,603.24, 2,405.10 and 1,090.60 is: 1,636.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603.24 : 2,405.10 = 1,090.60 : x
  2. Step 2: Convert to fraction form
    1,603.24/2,405.10 = 1,090.60/x
  3. Step 3: Cross multiply
    1,603.24x = 2,405.10 × 1,090.60
  4. Step 4: Simplify right side
    1,603.24x = 2,623,002.06
  5. Step 5: Solve for x
    x = 2,623,002.06/1,603.24
  6. Step 6: Final answer
    x = 1,636.06

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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.