Home / 1,674.30-2,511.45-1,544.70

Finding the Fourth Proportional to 1,674.30, 2,511.45 and 1,544.70

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Solution

The fourth proportional to 1,674.30, 2,511.45 and 1,544.70 is: 2,317.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,674.30 : 2,511.45 = 1,544.70 : x
  2. Step 2: Convert to fraction form
    1,674.30/2,511.45 = 1,544.70/x
  3. Step 3: Cross multiply
    1,674.30x = 2,511.45 × 1,544.70
  4. Step 4: Simplify right side
    1,674.30x = 3,879,436.82
  5. Step 5: Solve for x
    x = 3,879,436.82/1,674.30
  6. Step 6: Final answer
    x = 2,317.05

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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.