Home / 1,190.24-1,785.35-541.02

Finding the Fourth Proportional to 1,190.24, 1,785.35 and 541.02

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Solution

The fourth proportional to 1,190.24, 1,785.35 and 541.02 is: 811.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190.24 : 1,785.35 = 541.02 : x
  2. Step 2: Convert to fraction form
    1,190.24/1,785.35 = 541.02/x
  3. Step 3: Cross multiply
    1,190.24x = 1,785.35 × 541.02
  4. Step 4: Simplify right side
    1,190.24x = 965,911.41
  5. Step 5: Solve for x
    x = 965,911.41/1,190.24
  6. Step 6: Final answer
    x = 811.53

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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.