Home / 3,610.16-5,415.04-1,270.28

Finding the Fourth Proportional to 3,610.16, 5,415.04 and 1,270.28

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Solution

The fourth proportional to 3,610.16, 5,415.04 and 1,270.28 is: 1,905.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,610.16 : 5,415.04 = 1,270.28 : x
  2. Step 2: Convert to fraction form
    3,610.16/5,415.04 = 1,270.28/x
  3. Step 3: Cross multiply
    3,610.16x = 5,415.04 × 1,270.28
  4. Step 4: Simplify right side
    3,610.16x = 6,878,617.01
  5. Step 5: Solve for x
    x = 6,878,617.01/3,610.16
  6. Step 6: Final answer
    x = 1,905.35

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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.