Home / 2,592.41-3,883.95-1,421.15

Finding the Fourth Proportional to 2,592.41, 3,883.95 and 1,421.15

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Solution

The fourth proportional to 2,592.41, 3,883.95 and 1,421.15 is: 2,129.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,592.41 : 3,883.95 = 1,421.15 : x
  2. Step 2: Convert to fraction form
    2,592.41/3,883.95 = 1,421.15/x
  3. Step 3: Cross multiply
    2,592.41x = 3,883.95 × 1,421.15
  4. Step 4: Simplify right side
    2,592.41x = 5,519,656.12
  5. Step 5: Solve for x
    x = 5,519,656.12/2,592.41
  6. Step 6: Final answer
    x = 2,129.16

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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.