Home / 1,901.46-2,624.00-1,115.36

Finding the Fourth Proportional to 1,901.46, 2,624.00 and 1,115.36

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Solution

The fourth proportional to 1,901.46, 2,624.00 and 1,115.36 is: 1,539.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,901.46 : 2,624.00 = 1,115.36 : x
  2. Step 2: Convert to fraction form
    1,901.46/2,624.00 = 1,115.36/x
  3. Step 3: Cross multiply
    1,901.46x = 2,624.00 × 1,115.36
  4. Step 4: Simplify right side
    1,901.46x = 2,926,685.94
  5. Step 5: Solve for x
    x = 2,926,685.94/1,901.46
  6. Step 6: Final answer
    x = 1,539.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.