Home / 3,689.03-5,090.88-2,010.47

Finding the Fourth Proportional to 3,689.03, 5,090.88 and 2,010.47

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Solution

The fourth proportional to 3,689.03, 5,090.88 and 2,010.47 is: 2,774.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,689.03 : 5,090.88 = 2,010.47 : x
  2. Step 2: Convert to fraction form
    3,689.03/5,090.88 = 2,010.47/x
  3. Step 3: Cross multiply
    3,689.03x = 5,090.88 × 2,010.47
  4. Step 4: Simplify right side
    3,689.03x = 10,235,051.46
  5. Step 5: Solve for x
    x = 10,235,051.46/3,689.03
  6. Step 6: Final answer
    x = 2,774.46

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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.