Home / 1,932.12-2,897.21-945.01

Finding the Fourth Proportional to 1,932.12, 2,897.21 and 945.01

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Solution

The fourth proportional to 1,932.12, 2,897.21 and 945.01 is: 1,417.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,932.12 : 2,897.21 = 945.01 : x
  2. Step 2: Convert to fraction form
    1,932.12/2,897.21 = 945.01/x
  3. Step 3: Cross multiply
    1,932.12x = 2,897.21 × 945.01
  4. Step 4: Simplify right side
    1,932.12x = 2,737,898.41
  5. Step 5: Solve for x
    x = 2,737,898.41/1,932.12
  6. Step 6: Final answer
    x = 1,417.04

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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.