Home / 2,649.06-3,970.76-1,675.44

Finding the Fourth Proportional to 2,649.06, 3,970.76 and 1,675.44

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Solution

The fourth proportional to 2,649.06, 3,970.76 and 1,675.44 is: 2,511.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,649.06 : 3,970.76 = 1,675.44 : x
  2. Step 2: Convert to fraction form
    2,649.06/3,970.76 = 1,675.44/x
  3. Step 3: Cross multiply
    2,649.06x = 3,970.76 × 1,675.44
  4. Step 4: Simplify right side
    2,649.06x = 6,652,761.76
  5. Step 5: Solve for x
    x = 6,652,761.76/2,649.06
  6. Step 6: Final answer
    x = 2,511.37

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1.5x scale

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.