Home / 2,130.45-3,188.07-1,472.46

Finding the Fourth Proportional to 2,130.45, 3,188.07 and 1,472.46

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Solution

The fourth proportional to 2,130.45, 3,188.07 and 1,472.46 is: 2,203.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130.45 : 3,188.07 = 1,472.46 : x
  2. Step 2: Convert to fraction form
    2,130.45/3,188.07 = 1,472.46/x
  3. Step 3: Cross multiply
    2,130.45x = 3,188.07 × 1,472.46
  4. Step 4: Simplify right side
    2,130.45x = 4,694,305.55
  5. Step 5: Solve for x
    x = 4,694,305.55/2,130.45
  6. Step 6: Final answer
    x = 2,203.43

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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.