Home / 1,490.67-2,235.15-1,056.96

Finding the Fourth Proportional to 1,490.67, 2,235.15 and 1,056.96

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Solution

The fourth proportional to 1,490.67, 2,235.15 and 1,056.96 is: 1,584.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490.67 : 2,235.15 = 1,056.96 : x
  2. Step 2: Convert to fraction form
    1,490.67/2,235.15 = 1,056.96/x
  3. Step 3: Cross multiply
    1,490.67x = 2,235.15 × 1,056.96
  4. Step 4: Simplify right side
    1,490.67x = 2,362,464.14
  5. Step 5: Solve for x
    x = 2,362,464.14/1,490.67
  6. Step 6: Final answer
    x = 1,584.83

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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.