Home / 2,685.93-4,030.37-1,042.55

Finding the Fourth Proportional to 2,685.93, 4,030.37 and 1,042.55

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Solution

The fourth proportional to 2,685.93, 4,030.37 and 1,042.55 is: 1,564.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,685.93 : 4,030.37 = 1,042.55 : x
  2. Step 2: Convert to fraction form
    2,685.93/4,030.37 = 1,042.55/x
  3. Step 3: Cross multiply
    2,685.93x = 4,030.37 × 1,042.55
  4. Step 4: Simplify right side
    2,685.93x = 4,201,836.88
  5. Step 5: Solve for x
    x = 4,201,836.88/2,685.93
  6. Step 6: Final answer
    x = 1,564.39

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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.