Home / 2,607.60-3,911.40-1,511.24

Finding the Fourth Proportional to 2,607.60, 3,911.40 and 1,511.24

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Solution

The fourth proportional to 2,607.60, 3,911.40 and 1,511.24 is: 2,266.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,607.60 : 3,911.40 = 1,511.24 : x
  2. Step 2: Convert to fraction form
    2,607.60/3,911.40 = 1,511.24/x
  3. Step 3: Cross multiply
    2,607.60x = 3,911.40 × 1,511.24
  4. Step 4: Simplify right side
    2,607.60x = 5,911,064.14
  5. Step 5: Solve for x
    x = 5,911,064.14/2,607.60
  6. Step 6: Final answer
    x = 2,266.86

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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.