Home / 3,507.38-5,262.57-1,315.83

Finding the Fourth Proportional to 3,507.38, 5,262.57 and 1,315.83

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Solution

The fourth proportional to 3,507.38, 5,262.57 and 1,315.83 is: 1,974.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,507.38 : 5,262.57 = 1,315.83 : x
  2. Step 2: Convert to fraction form
    3,507.38/5,262.57 = 1,315.83/x
  3. Step 3: Cross multiply
    3,507.38x = 5,262.57 × 1,315.83
  4. Step 4: Simplify right side
    3,507.38x = 6,924,647.48
  5. Step 5: Solve for x
    x = 6,924,647.48/3,507.38
  6. Step 6: Final answer
    x = 1,974.31

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1.5x scale

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.