Home / 3,018.72-4,529.06-1,458.90

Finding the Fourth Proportional to 3,018.72, 4,529.06 and 1,458.90

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Solution

The fourth proportional to 3,018.72, 4,529.06 and 1,458.90 is: 2,188.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018.72 : 4,529.06 = 1,458.90 : x
  2. Step 2: Convert to fraction form
    3,018.72/4,529.06 = 1,458.90/x
  3. Step 3: Cross multiply
    3,018.72x = 4,529.06 × 1,458.90
  4. Step 4: Simplify right side
    3,018.72x = 6,607,415.69
  5. Step 5: Solve for x
    x = 6,607,415.69/3,018.72
  6. Step 6: Final answer
    x = 2,188.82

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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.