Home / 3,599.77-5,400.96-1,260.12

Finding the Fourth Proportional to 3,599.77, 5,400.96 and 1,260.12

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Solution

The fourth proportional to 3,599.77, 5,400.96 and 1,260.12 is: 1,890.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,599.77 : 5,400.96 = 1,260.12 : x
  2. Step 2: Convert to fraction form
    3,599.77/5,400.96 = 1,260.12/x
  3. Step 3: Cross multiply
    3,599.77x = 5,400.96 × 1,260.12
  4. Step 4: Simplify right side
    3,599.77x = 6,805,857.72
  5. Step 5: Solve for x
    x = 6,805,857.72/3,599.77
  6. Step 6: Final answer
    x = 1,890.64

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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.