Home / 3,437.88-4,742.70-2,040.12

Finding the Fourth Proportional to 3,437.88, 4,742.70 and 2,040.12

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Solution

The fourth proportional to 3,437.88, 4,742.70 and 2,040.12 is: 2,814.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,437.88 : 4,742.70 = 2,040.12 : x
  2. Step 2: Convert to fraction form
    3,437.88/4,742.70 = 2,040.12/x
  3. Step 3: Cross multiply
    3,437.88x = 4,742.70 × 2,040.12
  4. Step 4: Simplify right side
    3,437.88x = 9,675,677.12
  5. Step 5: Solve for x
    x = 9,675,677.12/3,437.88
  6. Step 6: Final answer
    x = 2,814.43

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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.