Home / 3,529.86-5,296.50-1,451.40

Finding the Fourth Proportional to 3,529.86, 5,296.50 and 1,451.40

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Solution

The fourth proportional to 3,529.86, 5,296.50 and 1,451.40 is: 2,177.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529.86 : 5,296.50 = 1,451.40 : x
  2. Step 2: Convert to fraction form
    3,529.86/5,296.50 = 1,451.40/x
  3. Step 3: Cross multiply
    3,529.86x = 5,296.50 × 1,451.40
  4. Step 4: Simplify right side
    3,529.86x = 7,687,340.10
  5. Step 5: Solve for x
    x = 7,687,340.10/3,529.86
  6. Step 6: Final answer
    x = 2,177.80

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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.