Home / 2,685.18-4,027.83-1,528.50

Finding the Fourth Proportional to 2,685.18, 4,027.83 and 1,528.50

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Solution

The fourth proportional to 2,685.18, 4,027.83 and 1,528.50 is: 2,292.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,685.18 : 4,027.83 = 1,528.50 : x
  2. Step 2: Convert to fraction form
    2,685.18/4,027.83 = 1,528.50/x
  3. Step 3: Cross multiply
    2,685.18x = 4,027.83 × 1,528.50
  4. Step 4: Simplify right side
    2,685.18x = 6,156,538.16
  5. Step 5: Solve for x
    x = 6,156,538.16/2,685.18
  6. Step 6: Final answer
    x = 2,292.78

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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.