Home / 1,699.18-2,343.43-1,434.92

Finding the Fourth Proportional to 1,699.18, 2,343.43 and 1,434.92

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Solution

The fourth proportional to 1,699.18, 2,343.43 and 1,434.92 is: 1,978.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,699.18 : 2,343.43 = 1,434.92 : x
  2. Step 2: Convert to fraction form
    1,699.18/2,343.43 = 1,434.92/x
  3. Step 3: Cross multiply
    1,699.18x = 2,343.43 × 1,434.92
  4. Step 4: Simplify right side
    1,699.18x = 3,362,624.65
  5. Step 5: Solve for x
    x = 3,362,624.65/1,699.18
  6. Step 6: Final answer
    x = 1,978.97

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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.