Home / 2,149.63-2,966.02-1,265.11

Finding the Fourth Proportional to 2,149.63, 2,966.02 and 1,265.11

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Solution

The fourth proportional to 2,149.63, 2,966.02 and 1,265.11 is: 1,745.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,149.63 : 2,966.02 = 1,265.11 : x
  2. Step 2: Convert to fraction form
    2,149.63/2,966.02 = 1,265.11/x
  3. Step 3: Cross multiply
    2,149.63x = 2,966.02 × 1,265.11
  4. Step 4: Simplify right side
    2,149.63x = 3,752,341.56
  5. Step 5: Solve for x
    x = 3,752,341.56/2,149.63
  6. Step 6: Final answer
    x = 1,745.58

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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.