Home / 2,685.64-4,025.55-1,041.70

Finding the Fourth Proportional to 2,685.64, 4,025.55 and 1,041.70

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Solution

The fourth proportional to 2,685.64, 4,025.55 and 1,041.70 is: 1,561.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,685.64 : 4,025.55 = 1,041.70 : x
  2. Step 2: Convert to fraction form
    2,685.64/4,025.55 = 1,041.70/x
  3. Step 3: Cross multiply
    2,685.64x = 4,025.55 × 1,041.70
  4. Step 4: Simplify right side
    2,685.64x = 4,193,415.44
  5. Step 5: Solve for x
    x = 4,193,415.44/2,685.64
  6. Step 6: Final answer
    x = 1,561.42

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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.