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Finding the Fourth Proportional to 2,656.37, 3,985.04 and 1,095.51

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Solution

The fourth proportional to 2,656.37, 3,985.04 and 1,095.51 is: 1,643.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,656.37 : 3,985.04 = 1,095.51 : x
  2. Step 2: Convert to fraction form
    2,656.37/3,985.04 = 1,095.51/x
  3. Step 3: Cross multiply
    2,656.37x = 3,985.04 × 1,095.51
  4. Step 4: Simplify right side
    2,656.37x = 4,365,651.17
  5. Step 5: Solve for x
    x = 4,365,651.17/2,656.37
  6. Step 6: Final answer
    x = 1,643.47

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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.