Home / 1,966.59-2,945.02-1,142.37

Finding the Fourth Proportional to 1,966.59, 2,945.02 and 1,142.37

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Solution

The fourth proportional to 1,966.59, 2,945.02 and 1,142.37 is: 1,710.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,966.59 : 2,945.02 = 1,142.37 : x
  2. Step 2: Convert to fraction form
    1,966.59/2,945.02 = 1,142.37/x
  3. Step 3: Cross multiply
    1,966.59x = 2,945.02 × 1,142.37
  4. Step 4: Simplify right side
    1,966.59x = 3,364,287.77
  5. Step 5: Solve for x
    x = 3,364,287.77/1,966.59
  6. Step 6: Final answer
    x = 1,710.72

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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.