Home / 2,421.25-3,341.54-1,536.73

Finding the Fourth Proportional to 2,421.25, 3,341.54 and 1,536.73

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Solution

The fourth proportional to 2,421.25, 3,341.54 and 1,536.73 is: 2,120.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,421.25 : 3,341.54 = 1,536.73 : x
  2. Step 2: Convert to fraction form
    2,421.25/3,341.54 = 1,536.73/x
  3. Step 3: Cross multiply
    2,421.25x = 3,341.54 × 1,536.73
  4. Step 4: Simplify right side
    2,421.25x = 5,135,044.76
  5. Step 5: Solve for x
    x = 5,135,044.76/2,421.25
  6. Step 6: Final answer
    x = 2,120.82

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1.5x scale

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.