Home / 1,563.28-2,343.77-740.59

Finding the Fourth Proportional to 1,563.28, 2,343.77 and 740.59

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Solution

The fourth proportional to 1,563.28, 2,343.77 and 740.59 is: 1,110.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,563.28 : 2,343.77 = 740.59 : x
  2. Step 2: Convert to fraction form
    1,563.28/2,343.77 = 740.59/x
  3. Step 3: Cross multiply
    1,563.28x = 2,343.77 × 740.59
  4. Step 4: Simplify right side
    1,563.28x = 1,735,765.84
  5. Step 5: Solve for x
    x = 1,735,765.84/1,563.28
  6. Step 6: Final answer
    x = 1,110.34

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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.