Home / 2,040.88-2,814.82-1,368.46

Finding the Fourth Proportional to 2,040.88, 2,814.82 and 1,368.46

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Solution

The fourth proportional to 2,040.88, 2,814.82 and 1,368.46 is: 1,887.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,040.88 : 2,814.82 = 1,368.46 : x
  2. Step 2: Convert to fraction form
    2,040.88/2,814.82 = 1,368.46/x
  3. Step 3: Cross multiply
    2,040.88x = 2,814.82 × 1,368.46
  4. Step 4: Simplify right side
    2,040.88x = 3,851,958.12
  5. Step 5: Solve for x
    x = 3,851,958.12/2,040.88
  6. Step 6: Final answer
    x = 1,887.40

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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.