Home / 1,675.20-2,512.96-701.20

Finding the Fourth Proportional to 1,675.20, 2,512.96 and 701.20

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Solution

The fourth proportional to 1,675.20, 2,512.96 and 701.20 is: 1,051.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,675.20 : 2,512.96 = 701.20 : x
  2. Step 2: Convert to fraction form
    1,675.20/2,512.96 = 701.20/x
  3. Step 3: Cross multiply
    1,675.20x = 2,512.96 × 701.20
  4. Step 4: Simplify right side
    1,675.20x = 1,762,087.55
  5. Step 5: Solve for x
    x = 1,762,087.55/1,675.20
  6. Step 6: Final answer
    x = 1,051.87

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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.