Home / 1,004.08-1,385.10-610.84

Finding the Fourth Proportional to 1,004.08, 1,385.10 and 610.84

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Solution

The fourth proportional to 1,004.08, 1,385.10 and 610.84 is: 842.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004.08 : 1,385.10 = 610.84 : x
  2. Step 2: Convert to fraction form
    1,004.08/1,385.10 = 610.84/x
  3. Step 3: Cross multiply
    1,004.08x = 1,385.10 × 610.84
  4. Step 4: Simplify right side
    1,004.08x = 846,074.48
  5. Step 5: Solve for x
    x = 846,074.48/1,004.08
  6. Step 6: Final answer
    x = 842.64

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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.