Home / 1,536.50-2,120.40-1,204.34

Finding the Fourth Proportional to 1,536.50, 2,120.40 and 1,204.34

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Solution

The fourth proportional to 1,536.50, 2,120.40 and 1,204.34 is: 1,662.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,536.50 : 2,120.40 = 1,204.34 : x
  2. Step 2: Convert to fraction form
    1,536.50/2,120.40 = 1,204.34/x
  3. Step 3: Cross multiply
    1,536.50x = 2,120.40 × 1,204.34
  4. Step 4: Simplify right side
    1,536.50x = 2,553,682.54
  5. Step 5: Solve for x
    x = 2,553,682.54/1,536.50
  6. Step 6: Final answer
    x = 1,662.01

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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.