Home / 1,966.77-2,925.36-1,791.45

Finding the Fourth Proportional to 1,966.77, 2,925.36 and 1,791.45

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Solution

The fourth proportional to 1,966.77, 2,925.36 and 1,791.45 is: 2,664.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,966.77 : 2,925.36 = 1,791.45 : x
  2. Step 2: Convert to fraction form
    1,966.77/2,925.36 = 1,791.45/x
  3. Step 3: Cross multiply
    1,966.77x = 2,925.36 × 1,791.45
  4. Step 4: Simplify right side
    1,966.77x = 5,240,636.17
  5. Step 5: Solve for x
    x = 5,240,636.17/1,966.77
  6. Step 6: Final answer
    x = 2,664.59

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.