Home / 1,563.58-2,346.47-1,153.78

Finding the Fourth Proportional to 1,563.58, 2,346.47 and 1,153.78

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Solution

The fourth proportional to 1,563.58, 2,346.47 and 1,153.78 is: 1,731.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,563.58 : 2,346.47 = 1,153.78 : x
  2. Step 2: Convert to fraction form
    1,563.58/2,346.47 = 1,153.78/x
  3. Step 3: Cross multiply
    1,563.58x = 2,346.47 × 1,153.78
  4. Step 4: Simplify right side
    1,563.58x = 2,707,292.66
  5. Step 5: Solve for x
    x = 2,707,292.66/1,563.58
  6. Step 6: Final answer
    x = 1,731.48

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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.