Home / 3,603.28-5,402.88-1,262.32

Finding the Fourth Proportional to 3,603.28, 5,402.88 and 1,262.32

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Solution

The fourth proportional to 3,603.28, 5,402.88 and 1,262.32 is: 1,892.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,603.28 : 5,402.88 = 1,262.32 : x
  2. Step 2: Convert to fraction form
    3,603.28/5,402.88 = 1,262.32/x
  3. Step 3: Cross multiply
    3,603.28x = 5,402.88 × 1,262.32
  4. Step 4: Simplify right side
    3,603.28x = 6,820,163.48
  5. Step 5: Solve for x
    x = 6,820,163.48/3,603.28
  6. Step 6: Final answer
    x = 1,892.77

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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.