Home / 3,558.90-5,338.88-1,708.50

Finding the Fourth Proportional to 3,558.90, 5,338.88 and 1,708.50

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Solution

The fourth proportional to 3,558.90, 5,338.88 and 1,708.50 is: 2,563.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,558.90 : 5,338.88 = 1,708.50 : x
  2. Step 2: Convert to fraction form
    3,558.90/5,338.88 = 1,708.50/x
  3. Step 3: Cross multiply
    3,558.90x = 5,338.88 × 1,708.50
  4. Step 4: Simplify right side
    3,558.90x = 9,121,467.94
  5. Step 5: Solve for x
    x = 9,121,467.94/3,558.90
  6. Step 6: Final answer
    x = 2,563.00

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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.