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Finding the Fourth Proportional to 3,287.17, 4,930.76 and 1,095.76

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Solution

The fourth proportional to 3,287.17, 4,930.76 and 1,095.76 is: 1,643.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,287.17 : 4,930.76 = 1,095.76 : x
  2. Step 2: Convert to fraction form
    3,287.17/4,930.76 = 1,095.76/x
  3. Step 3: Cross multiply
    3,287.17x = 4,930.76 × 1,095.76
  4. Step 4: Simplify right side
    3,287.17x = 5,402,929.58
  5. Step 5: Solve for x
    x = 5,402,929.58/3,287.17
  6. Step 6: Final answer
    x = 1,643.64

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1.5x scale

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.