Home / 2,432.37-3,645.48-1,321.77

Finding the Fourth Proportional to 2,432.37, 3,645.48 and 1,321.77

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Solution

The fourth proportional to 2,432.37, 3,645.48 and 1,321.77 is: 1,980.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,432.37 : 3,645.48 = 1,321.77 : x
  2. Step 2: Convert to fraction form
    2,432.37/3,645.48 = 1,321.77/x
  3. Step 3: Cross multiply
    2,432.37x = 3,645.48 × 1,321.77
  4. Step 4: Simplify right side
    2,432.37x = 4,818,486.10
  5. Step 5: Solve for x
    x = 4,818,486.10/2,432.37
  6. Step 6: Final answer
    x = 1,980.98

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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.