Home / 1,675.15-2,512.28-701.05

Finding the Fourth Proportional to 1,675.15, 2,512.28 and 701.05

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Solution

The fourth proportional to 1,675.15, 2,512.28 and 701.05 is: 1,051.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,675.15 : 2,512.28 = 701.05 : x
  2. Step 2: Convert to fraction form
    1,675.15/2,512.28 = 701.05/x
  3. Step 3: Cross multiply
    1,675.15x = 2,512.28 × 701.05
  4. Step 4: Simplify right side
    1,675.15x = 1,761,230.39
  5. Step 5: Solve for x
    x = 1,761,230.39/1,675.15
  6. Step 6: Final answer
    x = 1,051.39

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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.