Home / 2,929.81-4,043.31-1,671.11

Finding the Fourth Proportional to 2,929.81, 4,043.31 and 1,671.11

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Solution

The fourth proportional to 2,929.81, 4,043.31 and 1,671.11 is: 2,306.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929.81 : 4,043.31 = 1,671.11 : x
  2. Step 2: Convert to fraction form
    2,929.81/4,043.31 = 1,671.11/x
  3. Step 3: Cross multiply
    2,929.81x = 4,043.31 × 1,671.11
  4. Step 4: Simplify right side
    2,929.81x = 6,756,815.77
  5. Step 5: Solve for x
    x = 6,756,815.77/2,929.81
  6. Step 6: Final answer
    x = 2,306.23

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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.