Home / 1,500.28-2,251.45-526.38

Finding the Fourth Proportional to 1,500.28, 2,251.45 and 526.38

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Solution

The fourth proportional to 1,500.28, 2,251.45 and 526.38 is: 789.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500.28 : 2,251.45 = 526.38 : x
  2. Step 2: Convert to fraction form
    1,500.28/2,251.45 = 526.38/x
  3. Step 3: Cross multiply
    1,500.28x = 2,251.45 × 526.38
  4. Step 4: Simplify right side
    1,500.28x = 1,185,118.25
  5. Step 5: Solve for x
    x = 1,185,118.25/1,500.28
  6. Step 6: Final answer
    x = 789.93

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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.