Home / 2,135.03-3,200.65-1,023.84

Finding the Fourth Proportional to 2,135.03, 3,200.65 and 1,023.84

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Solution

The fourth proportional to 2,135.03, 3,200.65 and 1,023.84 is: 1,534.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135.03 : 3,200.65 = 1,023.84 : x
  2. Step 2: Convert to fraction form
    2,135.03/3,200.65 = 1,023.84/x
  3. Step 3: Cross multiply
    2,135.03x = 3,200.65 × 1,023.84
  4. Step 4: Simplify right side
    2,135.03x = 3,276,953.50
  5. Step 5: Solve for x
    x = 3,276,953.50/2,135.03
  6. Step 6: Final answer
    x = 1,534.85

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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.