Home / 2,721.10-3,757.23-2,090.63

Finding the Fourth Proportional to 2,721.10, 3,757.23 and 2,090.63

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Solution

The fourth proportional to 2,721.10, 3,757.23 and 2,090.63 is: 2,886.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,721.10 : 3,757.23 = 2,090.63 : x
  2. Step 2: Convert to fraction form
    2,721.10/3,757.23 = 2,090.63/x
  3. Step 3: Cross multiply
    2,721.10x = 3,757.23 × 2,090.63
  4. Step 4: Simplify right side
    2,721.10x = 7,854,977.75
  5. Step 5: Solve for x
    x = 7,854,977.75/2,721.10
  6. Step 6: Final answer
    x = 2,886.69

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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.