Home / 2,352.02-3,245.77-1,289.76

Finding the Fourth Proportional to 2,352.02, 3,245.77 and 1,289.76

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Solution

The fourth proportional to 2,352.02, 3,245.77 and 1,289.76 is: 1,779.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,352.02 : 3,245.77 = 1,289.76 : x
  2. Step 2: Convert to fraction form
    2,352.02/3,245.77 = 1,289.76/x
  3. Step 3: Cross multiply
    2,352.02x = 3,245.77 × 1,289.76
  4. Step 4: Simplify right side
    2,352.02x = 4,186,253.76
  5. Step 5: Solve for x
    x = 4,186,253.76/2,352.02
  6. Step 6: Final answer
    x = 1,779.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.