Home / 3,603.48-5,400.90-1,293.72

Finding the Fourth Proportional to 3,603.48, 5,400.90 and 1,293.72

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Solution

The fourth proportional to 3,603.48, 5,400.90 and 1,293.72 is: 1,939.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,603.48 : 5,400.90 = 1,293.72 : x
  2. Step 2: Convert to fraction form
    3,603.48/5,400.90 = 1,293.72/x
  3. Step 3: Cross multiply
    3,603.48x = 5,400.90 × 1,293.72
  4. Step 4: Simplify right side
    3,603.48x = 6,987,252.35
  5. Step 5: Solve for x
    x = 6,987,252.35/3,603.48
  6. Step 6: Final answer
    x = 1,939.03

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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.