Home / 3,523.23-5,280.26-1,440.86

Finding the Fourth Proportional to 3,523.23, 5,280.26 and 1,440.86

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Solution

The fourth proportional to 3,523.23, 5,280.26 and 1,440.86 is: 2,159.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,523.23 : 5,280.26 = 1,440.86 : x
  2. Step 2: Convert to fraction form
    3,523.23/5,280.26 = 1,440.86/x
  3. Step 3: Cross multiply
    3,523.23x = 5,280.26 × 1,440.86
  4. Step 4: Simplify right side
    3,523.23x = 7,608,081.82
  5. Step 5: Solve for x
    x = 7,608,081.82/3,523.23
  6. Step 6: Final answer
    x = 2,159.41

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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.