Home / 1,966.64-2,945.90-1,876.46

Finding the Fourth Proportional to 1,966.64, 2,945.90 and 1,876.46

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Solution

The fourth proportional to 1,966.64, 2,945.90 and 1,876.46 is: 2,810.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,966.64 : 2,945.90 = 1,876.46 : x
  2. Step 2: Convert to fraction form
    1,966.64/2,945.90 = 1,876.46/x
  3. Step 3: Cross multiply
    1,966.64x = 2,945.90 × 1,876.46
  4. Step 4: Simplify right side
    1,966.64x = 5,527,863.51
  5. Step 5: Solve for x
    x = 5,527,863.51/1,966.64
  6. Step 6: Final answer
    x = 2,810.82

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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.