Home / 2,754.30-4,119.30-2,316.90

Finding the Fourth Proportional to 2,754.30, 4,119.30 and 2,316.90

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Solution

The fourth proportional to 2,754.30, 4,119.30 and 2,316.90 is: 3,465.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,754.30 : 4,119.30 = 2,316.90 : x
  2. Step 2: Convert to fraction form
    2,754.30/4,119.30 = 2,316.90/x
  3. Step 3: Cross multiply
    2,754.30x = 4,119.30 × 2,316.90
  4. Step 4: Simplify right side
    2,754.30x = 9,544,006.17
  5. Step 5: Solve for x
    x = 9,544,006.17/2,754.30
  6. Step 6: Final answer
    x = 3,465.13

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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.