Home / 3,587.10-5,373.09-1,640.94

Finding the Fourth Proportional to 3,587.10, 5,373.09 and 1,640.94

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Solution

The fourth proportional to 3,587.10, 5,373.09 and 1,640.94 is: 2,457.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,587.10 : 5,373.09 = 1,640.94 : x
  2. Step 2: Convert to fraction form
    3,587.10/5,373.09 = 1,640.94/x
  3. Step 3: Cross multiply
    3,587.10x = 5,373.09 × 1,640.94
  4. Step 4: Simplify right side
    3,587.10x = 8,816,918.30
  5. Step 5: Solve for x
    x = 8,816,918.30/3,587.10
  6. Step 6: Final answer
    x = 2,457.95

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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.