Home / 2,686.22-4,030.98-1,042.94

Finding the Fourth Proportional to 2,686.22, 4,030.98 and 1,042.94

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Solution

The fourth proportional to 2,686.22, 4,030.98 and 1,042.94 is: 1,565.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,686.22 : 4,030.98 = 1,042.94 : x
  2. Step 2: Convert to fraction form
    2,686.22/4,030.98 = 1,042.94/x
  3. Step 3: Cross multiply
    2,686.22x = 4,030.98 × 1,042.94
  4. Step 4: Simplify right side
    2,686.22x = 4,204,070.28
  5. Step 5: Solve for x
    x = 4,204,070.28/2,686.22
  6. Step 6: Final answer
    x = 1,565.05

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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.