Home / 2,465.78-3,695.42-1,885.82

Finding the Fourth Proportional to 2,465.78, 3,695.42 and 1,885.82

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Solution

The fourth proportional to 2,465.78, 3,695.42 and 1,885.82 is: 2,826.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,465.78 : 3,695.42 = 1,885.82 : x
  2. Step 2: Convert to fraction form
    2,465.78/3,695.42 = 1,885.82/x
  3. Step 3: Cross multiply
    2,465.78x = 3,695.42 × 1,885.82
  4. Step 4: Simplify right side
    2,465.78x = 6,968,883.18
  5. Step 5: Solve for x
    x = 6,968,883.18/2,465.78
  6. Step 6: Final answer
    x = 2,826.24

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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.