Home / 3,635.13-5,453.79-1,555.32

Finding the Fourth Proportional to 3,635.13, 5,453.79 and 1,555.32

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Solution

The fourth proportional to 3,635.13, 5,453.79 and 1,555.32 is: 2,333.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,635.13 : 5,453.79 = 1,555.32 : x
  2. Step 2: Convert to fraction form
    3,635.13/5,453.79 = 1,555.32/x
  3. Step 3: Cross multiply
    3,635.13x = 5,453.79 × 1,555.32
  4. Step 4: Simplify right side
    3,635.13x = 8,482,388.66
  5. Step 5: Solve for x
    x = 8,482,388.66/3,635.13
  6. Step 6: Final answer
    x = 2,333.45

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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.