Home / 1,730.87-2,385.15-1,232.11

Finding the Fourth Proportional to 1,730.87, 2,385.15 and 1,232.11

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Solution

The fourth proportional to 1,730.87, 2,385.15 and 1,232.11 is: 1,697.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,730.87 : 2,385.15 = 1,232.11 : x
  2. Step 2: Convert to fraction form
    1,730.87/2,385.15 = 1,232.11/x
  3. Step 3: Cross multiply
    1,730.87x = 2,385.15 × 1,232.11
  4. Step 4: Simplify right side
    1,730.87x = 2,938,765.53
  5. Step 5: Solve for x
    x = 2,938,765.53/1,730.87
  6. Step 6: Final answer
    x = 1,697.86

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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.