Home / 3,745.16-5,615.40-1,665.08

Finding the Fourth Proportional to 3,745.16, 5,615.40 and 1,665.08

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Solution

The fourth proportional to 3,745.16, 5,615.40 and 1,665.08 is: 2,496.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,745.16 : 5,615.40 = 1,665.08 : x
  2. Step 2: Convert to fraction form
    3,745.16/5,615.40 = 1,665.08/x
  3. Step 3: Cross multiply
    3,745.16x = 5,615.40 × 1,665.08
  4. Step 4: Simplify right side
    3,745.16x = 9,350,090.23
  5. Step 5: Solve for x
    x = 9,350,090.23/3,745.16
  6. Step 6: Final answer
    x = 2,496.58

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1.5x scale

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.