Home / 3,137.24-4,708.02-1,189.40

Finding the Fourth Proportional to 3,137.24, 4,708.02 and 1,189.40

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Solution

The fourth proportional to 3,137.24, 4,708.02 and 1,189.40 is: 1,784.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,137.24 : 4,708.02 = 1,189.40 : x
  2. Step 2: Convert to fraction form
    3,137.24/4,708.02 = 1,189.40/x
  3. Step 3: Cross multiply
    3,137.24x = 4,708.02 × 1,189.40
  4. Step 4: Simplify right side
    3,137.24x = 5,599,718.99
  5. Step 5: Solve for x
    x = 5,599,718.99/3,137.24
  6. Step 6: Final answer
    x = 1,784.92

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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.