Home / 2,009.31-3,020.09-1,966.24

Finding the Fourth Proportional to 2,009.31, 3,020.09 and 1,966.24

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Solution

The fourth proportional to 2,009.31, 3,020.09 and 1,966.24 is: 2,955.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,009.31 : 3,020.09 = 1,966.24 : x
  2. Step 2: Convert to fraction form
    2,009.31/3,020.09 = 1,966.24/x
  3. Step 3: Cross multiply
    2,009.31x = 3,020.09 × 1,966.24
  4. Step 4: Simplify right side
    2,009.31x = 5,938,215.71
  5. Step 5: Solve for x
    x = 5,938,215.71/2,009.31
  6. Step 6: Final answer
    x = 2,955.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.