Home / 2,347.30-3,520.39-1,178.02

Finding the Fourth Proportional to 2,347.30, 3,520.39 and 1,178.02

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Solution

The fourth proportional to 2,347.30, 3,520.39 and 1,178.02 is: 1,766.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,347.30 : 3,520.39 = 1,178.02 : x
  2. Step 2: Convert to fraction form
    2,347.30/3,520.39 = 1,178.02/x
  3. Step 3: Cross multiply
    2,347.30x = 3,520.39 × 1,178.02
  4. Step 4: Simplify right side
    2,347.30x = 4,147,080.28
  5. Step 5: Solve for x
    x = 4,147,080.28/2,347.30
  6. Step 6: Final answer
    x = 1,766.74

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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.