Home / 2,636.02-3,953.82-1,538.20

Finding the Fourth Proportional to 2,636.02, 3,953.82 and 1,538.20

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Solution

The fourth proportional to 2,636.02, 3,953.82 and 1,538.20 is: 2,307.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,636.02 : 3,953.82 = 1,538.20 : x
  2. Step 2: Convert to fraction form
    2,636.02/3,953.82 = 1,538.20/x
  3. Step 3: Cross multiply
    2,636.02x = 3,953.82 × 1,538.20
  4. Step 4: Simplify right side
    2,636.02x = 6,081,765.92
  5. Step 5: Solve for x
    x = 6,081,765.92/2,636.02
  6. Step 6: Final answer
    x = 2,307.18

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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.