Home / 1,563.43-2,153.13-1,529.41

Finding the Fourth Proportional to 1,563.43, 2,153.13 and 1,529.41

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Solution

The fourth proportional to 1,563.43, 2,153.13 and 1,529.41 is: 2,106.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,563.43 : 2,153.13 = 1,529.41 : x
  2. Step 2: Convert to fraction form
    1,563.43/2,153.13 = 1,529.41/x
  3. Step 3: Cross multiply
    1,563.43x = 2,153.13 × 1,529.41
  4. Step 4: Simplify right side
    1,563.43x = 3,293,018.55
  5. Step 5: Solve for x
    x = 3,293,018.55/1,563.43
  6. Step 6: Final answer
    x = 2,106.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.