Home / 3,672.30-5,068.26-2,100.09

Finding the Fourth Proportional to 3,672.30, 5,068.26 and 2,100.09

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Solution

The fourth proportional to 3,672.30, 5,068.26 and 2,100.09 is: 2,898.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,672.30 : 5,068.26 = 2,100.09 : x
  2. Step 2: Convert to fraction form
    3,672.30/5,068.26 = 2,100.09/x
  3. Step 3: Cross multiply
    3,672.30x = 5,068.26 × 2,100.09
  4. Step 4: Simplify right side
    3,672.30x = 10,643,802.14
  5. Step 5: Solve for x
    x = 10,643,802.14/3,672.30
  6. Step 6: Final answer
    x = 2,898.40

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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.