Home / 1,087.15-1,629.20-593.55

Finding the Fourth Proportional to 1,087.15, 1,629.20 and 593.55

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Solution

The fourth proportional to 1,087.15, 1,629.20 and 593.55 is: 889.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087.15 : 1,629.20 = 593.55 : x
  2. Step 2: Convert to fraction form
    1,087.15/1,629.20 = 593.55/x
  3. Step 3: Cross multiply
    1,087.15x = 1,629.20 × 593.55
  4. Step 4: Simplify right side
    1,087.15x = 967,008.69
  5. Step 5: Solve for x
    x = 967,008.69/1,087.15
  6. Step 6: Final answer
    x = 889.49

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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.