Home / 3,042.68-4,199.10-1,715.90

Finding the Fourth Proportional to 3,042.68, 4,199.10 and 1,715.90

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Solution

The fourth proportional to 3,042.68, 4,199.10 and 1,715.90 is: 2,368.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,042.68 : 4,199.10 = 1,715.90 : x
  2. Step 2: Convert to fraction form
    3,042.68/4,199.10 = 1,715.90/x
  3. Step 3: Cross multiply
    3,042.68x = 4,199.10 × 1,715.90
  4. Step 4: Simplify right side
    3,042.68x = 7,205,239.75
  5. Step 5: Solve for x
    x = 7,205,239.75/3,042.68
  6. Step 6: Final answer
    x = 2,368.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.