Home / 1,451.42-2,176.56-526.75

Finding the Fourth Proportional to 1,451.42, 2,176.56 and 526.75

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Solution

The fourth proportional to 1,451.42, 2,176.56 and 526.75 is: 789.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451.42 : 2,176.56 = 526.75 : x
  2. Step 2: Convert to fraction form
    1,451.42/2,176.56 = 526.75/x
  3. Step 3: Cross multiply
    1,451.42x = 2,176.56 × 526.75
  4. Step 4: Simplify right side
    1,451.42x = 1,146,497.54
  5. Step 5: Solve for x
    x = 1,146,497.54/1,451.42
  6. Step 6: Final answer
    x = 789.92

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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.