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Finding the Fourth Proportional to 3,610.02, 5,415.08 and 1,270.10

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Solution

The fourth proportional to 3,610.02, 5,415.08 and 1,270.10 is: 1,905.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,610.02 : 5,415.08 = 1,270.10 : x
  2. Step 2: Convert to fraction form
    3,610.02/5,415.08 = 1,270.10/x
  3. Step 3: Cross multiply
    3,610.02x = 5,415.08 × 1,270.10
  4. Step 4: Simplify right side
    3,610.02x = 6,877,659.68
  5. Step 5: Solve for x
    x = 6,877,659.68/3,610.02
  6. Step 6: Final answer
    x = 1,905.16

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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.