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Finding the Fourth Proportional to 4,654, 6,980.88 and 1,730.56

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Solution

The fourth proportional to 4,654, 6,980.88 and 1,730.56 is: 2,595.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,654 : 6,980.88 = 1,730.56 : x
  2. Step 2: Convert to fraction form
    4,654/6,980.88 = 1,730.56/x
  3. Step 3: Cross multiply
    4,654x = 6,980.88 × 1,730.56
  4. Step 4: Simplify right side
    4,654x = 12,080,831.69
  5. Step 5: Solve for x
    x = 12,080,831.69/4,654
  6. Step 6: Final answer
    x = 2,595.80

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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.