Home / 1,448.07-1,996.65-1,070.49

Finding the Fourth Proportional to 1,448.07, 1,996.65 and 1,070.49

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Solution

The fourth proportional to 1,448.07, 1,996.65 and 1,070.49 is: 1,476.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448.07 : 1,996.65 = 1,070.49 : x
  2. Step 2: Convert to fraction form
    1,448.07/1,996.65 = 1,070.49/x
  3. Step 3: Cross multiply
    1,448.07x = 1,996.65 × 1,070.49
  4. Step 4: Simplify right side
    1,448.07x = 2,137,393.86
  5. Step 5: Solve for x
    x = 2,137,393.86/1,448.07
  6. Step 6: Final answer
    x = 1,476.03

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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.