Home / 3,042-4,196.28-2,045.52

Finding the Fourth Proportional to 3,042, 4,196.28 and 2,045.52

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Solution

The fourth proportional to 3,042, 4,196.28 and 2,045.52 is: 2,821.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,042 : 4,196.28 = 2,045.52 : x
  2. Step 2: Convert to fraction form
    3,042/4,196.28 = 2,045.52/x
  3. Step 3: Cross multiply
    3,042x = 4,196.28 × 2,045.52
  4. Step 4: Simplify right side
    3,042x = 8,583,574.67
  5. Step 5: Solve for x
    x = 8,583,574.67/3,042
  6. Step 6: Final answer
    x = 2,821.69

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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.