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Finding the Fourth Proportional to 3,363, 4,640.58 and 2,036.91

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Solution

The fourth proportional to 3,363, 4,640.58 and 2,036.91 is: 2,810.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,363 : 4,640.58 = 2,036.91 : x
  2. Step 2: Convert to fraction form
    3,363/4,640.58 = 2,036.91/x
  3. Step 3: Cross multiply
    3,363x = 4,640.58 × 2,036.91
  4. Step 4: Simplify right side
    3,363x = 9,452,443.81
  5. Step 5: Solve for x
    x = 9,452,443.81/3,363
  6. Step 6: Final answer
    x = 2,810.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.