Home / 3,841.65-5,301.72-2,140.26

Finding the Fourth Proportional to 3,841.65, 5,301.72 and 2,140.26

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Solution

The fourth proportional to 3,841.65, 5,301.72 and 2,140.26 is: 2,953.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,841.65 : 5,301.72 = 2,140.26 : x
  2. Step 2: Convert to fraction form
    3,841.65/5,301.72 = 2,140.26/x
  3. Step 3: Cross multiply
    3,841.65x = 5,301.72 × 2,140.26
  4. Step 4: Simplify right side
    3,841.65x = 11,347,059.25
  5. Step 5: Solve for x
    x = 11,347,059.25/3,841.65
  6. Step 6: Final answer
    x = 2,953.69

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1.5x scale

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.