Home / 3,126.86-4,690.96-1,046.47

Finding the Fourth Proportional to 3,126.86, 4,690.96 and 1,046.47

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Solution

The fourth proportional to 3,126.86, 4,690.96 and 1,046.47 is: 1,569.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,126.86 : 4,690.96 = 1,046.47 : x
  2. Step 2: Convert to fraction form
    3,126.86/4,690.96 = 1,046.47/x
  3. Step 3: Cross multiply
    3,126.86x = 4,690.96 × 1,046.47
  4. Step 4: Simplify right side
    3,126.86x = 4,908,948.91
  5. Step 5: Solve for x
    x = 4,908,948.91/3,126.86
  6. Step 6: Final answer
    x = 1,569.93

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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.