Home / 2,154.63-3,246.61-1,773.19

Finding the Fourth Proportional to 2,154.63, 3,246.61 and 1,773.19

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Solution

The fourth proportional to 2,154.63, 3,246.61 and 1,773.19 is: 2,671.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154.63 : 3,246.61 = 1,773.19 : x
  2. Step 2: Convert to fraction form
    2,154.63/3,246.61 = 1,773.19/x
  3. Step 3: Cross multiply
    2,154.63x = 3,246.61 × 1,773.19
  4. Step 4: Simplify right side
    2,154.63x = 5,756,840.15
  5. Step 5: Solve for x
    x = 5,756,840.15/2,154.63
  6. Step 6: Final answer
    x = 2,671.85

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.