Home / 1,604.30-2,402.85-1,393.37

Finding the Fourth Proportional to 1,604.30, 2,402.85 and 1,393.37

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Solution

The fourth proportional to 1,604.30, 2,402.85 and 1,393.37 is: 2,086.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,604.30 : 2,402.85 = 1,393.37 : x
  2. Step 2: Convert to fraction form
    1,604.30/2,402.85 = 1,393.37/x
  3. Step 3: Cross multiply
    1,604.30x = 2,402.85 × 1,393.37
  4. Step 4: Simplify right side
    1,604.30x = 3,348,047.09
  5. Step 5: Solve for x
    x = 3,348,047.09/1,604.30
  6. Step 6: Final answer
    x = 2,086.93

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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.