Home / 3,675.18-5,511.03-1,424.76

Finding the Fourth Proportional to 3,675.18, 5,511.03 and 1,424.76

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Solution

The fourth proportional to 3,675.18, 5,511.03 and 1,424.76 is: 2,136.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,675.18 : 5,511.03 = 1,424.76 : x
  2. Step 2: Convert to fraction form
    3,675.18/5,511.03 = 1,424.76/x
  3. Step 3: Cross multiply
    3,675.18x = 5,511.03 × 1,424.76
  4. Step 4: Simplify right side
    3,675.18x = 7,851,921.11
  5. Step 5: Solve for x
    x = 7,851,921.11/3,675.18
  6. Step 6: Final answer
    x = 2,136.47

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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.