Home / 3,657.11-5,487.48-1,709.06

Finding the Fourth Proportional to 3,657.11, 5,487.48 and 1,709.06

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Solution

The fourth proportional to 3,657.11, 5,487.48 and 1,709.06 is: 2,564.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,657.11 : 5,487.48 = 1,709.06 : x
  2. Step 2: Convert to fraction form
    3,657.11/5,487.48 = 1,709.06/x
  3. Step 3: Cross multiply
    3,657.11x = 5,487.48 × 1,709.06
  4. Step 4: Simplify right side
    3,657.11x = 9,378,405.13
  5. Step 5: Solve for x
    x = 9,378,405.13/3,657.11
  6. Step 6: Final answer
    x = 2,564.43

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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.