Home / 1,450.32-2,176.63-526.14

Finding the Fourth Proportional to 1,450.32, 2,176.63 and 526.14

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Solution

The fourth proportional to 1,450.32, 2,176.63 and 526.14 is: 789.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450.32 : 2,176.63 = 526.14 : x
  2. Step 2: Convert to fraction form
    1,450.32/2,176.63 = 526.14/x
  3. Step 3: Cross multiply
    1,450.32x = 2,176.63 × 526.14
  4. Step 4: Simplify right side
    1,450.32x = 1,145,205.35
  5. Step 5: Solve for x
    x = 1,145,205.35/1,450.32
  6. Step 6: Final answer
    x = 789.63

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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.