Home / 1,131.11-1,697.20-583.01

Finding the Fourth Proportional to 1,131.11, 1,697.20 and 583.01

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Solution

The fourth proportional to 1,131.11, 1,697.20 and 583.01 is: 874.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131.11 : 1,697.20 = 583.01 : x
  2. Step 2: Convert to fraction form
    1,131.11/1,697.20 = 583.01/x
  3. Step 3: Cross multiply
    1,131.11x = 1,697.20 × 583.01
  4. Step 4: Simplify right side
    1,131.11x = 989,474.63
  5. Step 5: Solve for x
    x = 989,474.63/1,131.11
  6. Step 6: Final answer
    x = 874.79

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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.