Home / 1,434.97-2,153.67-1,070.47

Finding the Fourth Proportional to 1,434.97, 2,153.67 and 1,070.47

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Solution

The fourth proportional to 1,434.97, 2,153.67 and 1,070.47 is: 1,606.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434.97 : 2,153.67 = 1,070.47 : x
  2. Step 2: Convert to fraction form
    1,434.97/2,153.67 = 1,070.47/x
  3. Step 3: Cross multiply
    1,434.97x = 2,153.67 × 1,070.47
  4. Step 4: Simplify right side
    1,434.97x = 2,305,439.12
  5. Step 5: Solve for x
    x = 2,305,439.12/1,434.97
  6. Step 6: Final answer
    x = 1,606.61

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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.