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Finding the Fourth Proportional to 3,661.07, 5,484.71 and 1,810.01

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Solution

The fourth proportional to 3,661.07, 5,484.71 and 1,810.01 is: 2,711.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,661.07 : 5,484.71 = 1,810.01 : x
  2. Step 2: Convert to fraction form
    3,661.07/5,484.71 = 1,810.01/x
  3. Step 3: Cross multiply
    3,661.07x = 5,484.71 × 1,810.01
  4. Step 4: Simplify right side
    3,661.07x = 9,927,398.18
  5. Step 5: Solve for x
    x = 9,927,398.18/3,661.07
  6. Step 6: Final answer
    x = 2,711.61

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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.