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Finding the Fourth Proportional to 2,007.51, 3,011.26 and 546.87

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Solution

The fourth proportional to 2,007.51, 3,011.26 and 546.87 is: 820.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,007.51 : 3,011.26 = 546.87 : x
  2. Step 2: Convert to fraction form
    2,007.51/3,011.26 = 546.87/x
  3. Step 3: Cross multiply
    2,007.51x = 3,011.26 × 546.87
  4. Step 4: Simplify right side
    2,007.51x = 1,646,767.76
  5. Step 5: Solve for x
    x = 1,646,767.76/2,007.51
  6. Step 6: Final answer
    x = 820.30

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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.