Home / 2,685.14-4,026.20-1,019.38

Finding the Fourth Proportional to 2,685.14, 4,026.20 and 1,019.38

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Solution

The fourth proportional to 2,685.14, 4,026.20 and 1,019.38 is: 1,528.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,685.14 : 4,026.20 = 1,019.38 : x
  2. Step 2: Convert to fraction form
    2,685.14/4,026.20 = 1,019.38/x
  3. Step 3: Cross multiply
    2,685.14x = 4,026.20 × 1,019.38
  4. Step 4: Simplify right side
    2,685.14x = 4,104,227.76
  5. Step 5: Solve for x
    x = 4,104,227.76/2,685.14
  6. Step 6: Final answer
    x = 1,528.50

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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.