Home / 2,686.55-4,029.48-1,042.25

Finding the Fourth Proportional to 2,686.55, 4,029.48 and 1,042.25

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Solution

The fourth proportional to 2,686.55, 4,029.48 and 1,042.25 is: 1,563.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,686.55 : 4,029.48 = 1,042.25 : x
  2. Step 2: Convert to fraction form
    2,686.55/4,029.48 = 1,042.25/x
  3. Step 3: Cross multiply
    2,686.55x = 4,029.48 × 1,042.25
  4. Step 4: Simplify right side
    2,686.55x = 4,199,705.38
  5. Step 5: Solve for x
    x = 4,199,705.38/2,686.55
  6. Step 6: Final answer
    x = 1,563.24

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1.5x scale

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.