Home / 2,887.41-4,331.13-1,156.05

Finding the Fourth Proportional to 2,887.41, 4,331.13 and 1,156.05

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Solution

The fourth proportional to 2,887.41, 4,331.13 and 1,156.05 is: 1,734.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887.41 : 4,331.13 = 1,156.05 : x
  2. Step 2: Convert to fraction form
    2,887.41/4,331.13 = 1,156.05/x
  3. Step 3: Cross multiply
    2,887.41x = 4,331.13 × 1,156.05
  4. Step 4: Simplify right side
    2,887.41x = 5,007,002.84
  5. Step 5: Solve for x
    x = 5,007,002.84/2,887.41
  6. Step 6: Final answer
    x = 1,734.08

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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.