Home / 2,685.34-4,028.01-953.56

Finding the Fourth Proportional to 2,685.34, 4,028.01 and 953.56

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Solution

The fourth proportional to 2,685.34, 4,028.01 and 953.56 is: 1,430.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,685.34 : 4,028.01 = 953.56 : x
  2. Step 2: Convert to fraction form
    2,685.34/4,028.01 = 953.56/x
  3. Step 3: Cross multiply
    2,685.34x = 4,028.01 × 953.56
  4. Step 4: Simplify right side
    2,685.34x = 3,840,949.22
  5. Step 5: Solve for x
    x = 3,840,949.22/2,685.34
  6. Step 6: Final answer
    x = 1,430.34

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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.