Home / 2,685.47-4,025.90-1,043.19

Finding the Fourth Proportional to 2,685.47, 4,025.90 and 1,043.19

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Solution

The fourth proportional to 2,685.47, 4,025.90 and 1,043.19 is: 1,563.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,685.47 : 4,025.90 = 1,043.19 : x
  2. Step 2: Convert to fraction form
    2,685.47/4,025.90 = 1,043.19/x
  3. Step 3: Cross multiply
    2,685.47x = 4,025.90 × 1,043.19
  4. Step 4: Simplify right side
    2,685.47x = 4,199,781.23
  5. Step 5: Solve for x
    x = 4,199,781.23/2,685.47
  6. Step 6: Final answer
    x = 1,563.89

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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.