Home / 3,455.04-5,181.36-1,146

Finding the Fourth Proportional to 3,455.04, 5,181.36 and 1,146

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Solution

The fourth proportional to 3,455.04, 5,181.36 and 1,146 is: 1,718.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.04 : 5,181.36 = 1,146 : x
  2. Step 2: Convert to fraction form
    3,455.04/5,181.36 = 1,146/x
  3. Step 3: Cross multiply
    3,455.04x = 5,181.36 × 1,146
  4. Step 4: Simplify right side
    3,455.04x = 5,937,838.56
  5. Step 5: Solve for x
    x = 5,937,838.56/3,455.04
  6. Step 6: Final answer
    x = 1,718.60

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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.