Home / 1,934.30-2,901.45-701.90

Finding the Fourth Proportional to 1,934.30, 2,901.45 and 701.90

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Solution

The fourth proportional to 1,934.30, 2,901.45 and 701.90 is: 1,052.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,934.30 : 2,901.45 = 701.90 : x
  2. Step 2: Convert to fraction form
    1,934.30/2,901.45 = 701.90/x
  3. Step 3: Cross multiply
    1,934.30x = 2,901.45 × 701.90
  4. Step 4: Simplify right side
    1,934.30x = 2,036,527.76
  5. Step 5: Solve for x
    x = 2,036,527.76/1,934.30
  6. Step 6: Final answer
    x = 1,052.85

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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.