Home / 2,686.02-4,029.70-1,042.68

Finding the Fourth Proportional to 2,686.02, 4,029.70 and 1,042.68

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Solution

The fourth proportional to 2,686.02, 4,029.70 and 1,042.68 is: 1,564.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,686.02 : 4,029.70 = 1,042.68 : x
  2. Step 2: Convert to fraction form
    2,686.02/4,029.70 = 1,042.68/x
  3. Step 3: Cross multiply
    2,686.02x = 4,029.70 × 1,042.68
  4. Step 4: Simplify right side
    2,686.02x = 4,201,687.60
  5. Step 5: Solve for x
    x = 4,201,687.60/2,686.02
  6. Step 6: Final answer
    x = 1,564.28

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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.