Home / 2,010.90-2,775.81-1,955.41

Finding the Fourth Proportional to 2,010.90, 2,775.81 and 1,955.41

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Solution

The fourth proportional to 2,010.90, 2,775.81 and 1,955.41 is: 2,699.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,010.90 : 2,775.81 = 1,955.41 : x
  2. Step 2: Convert to fraction form
    2,010.90/2,775.81 = 1,955.41/x
  3. Step 3: Cross multiply
    2,010.90x = 2,775.81 × 1,955.41
  4. Step 4: Simplify right side
    2,010.90x = 5,427,846.63
  5. Step 5: Solve for x
    x = 5,427,846.63/2,010.90
  6. Step 6: Final answer
    x = 2,699.21

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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.