Home / 1,664.43-2,295.18-1,066.65

Finding the Fourth Proportional to 1,664.43, 2,295.18 and 1,066.65

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Solution

The fourth proportional to 1,664.43, 2,295.18 and 1,066.65 is: 1,470.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664.43 : 2,295.18 = 1,066.65 : x
  2. Step 2: Convert to fraction form
    1,664.43/2,295.18 = 1,066.65/x
  3. Step 3: Cross multiply
    1,664.43x = 2,295.18 × 1,066.65
  4. Step 4: Simplify right side
    1,664.43x = 2,448,153.75
  5. Step 5: Solve for x
    x = 2,448,153.75/1,664.43
  6. Step 6: Final answer
    x = 1,470.87

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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.