Home / 3,042-4,196.34-2,045.57

Finding the Fourth Proportional to 3,042, 4,196.34 and 2,045.57

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Solution

The fourth proportional to 3,042, 4,196.34 and 2,045.57 is: 2,821.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,042 : 4,196.34 = 2,045.57 : x
  2. Step 2: Convert to fraction form
    3,042/4,196.34 = 2,045.57/x
  3. Step 3: Cross multiply
    3,042x = 4,196.34 × 2,045.57
  4. Step 4: Simplify right side
    3,042x = 8,583,886.23
  5. Step 5: Solve for x
    x = 8,583,886.23/3,042
  6. Step 6: Final answer
    x = 2,821.79

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1.5x scale

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.