Home / 2,823.95-4,238.52-1,438.25

Finding the Fourth Proportional to 2,823.95, 4,238.52 and 1,438.25

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Solution

The fourth proportional to 2,823.95, 4,238.52 and 1,438.25 is: 2,158.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,823.95 : 4,238.52 = 1,438.25 : x
  2. Step 2: Convert to fraction form
    2,823.95/4,238.52 = 1,438.25/x
  3. Step 3: Cross multiply
    2,823.95x = 4,238.52 × 1,438.25
  4. Step 4: Simplify right side
    2,823.95x = 6,096,051.39
  5. Step 5: Solve for x
    x = 6,096,051.39/2,823.95
  6. Step 6: Final answer
    x = 2,158.70

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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.