Home / 3,154.83-4,732.31-1,423.45

Finding the Fourth Proportional to 3,154.83, 4,732.31 and 1,423.45

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Solution

The fourth proportional to 3,154.83, 4,732.31 and 1,423.45 is: 2,135.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154.83 : 4,732.31 = 1,423.45 : x
  2. Step 2: Convert to fraction form
    3,154.83/4,732.31 = 1,423.45/x
  3. Step 3: Cross multiply
    3,154.83x = 4,732.31 × 1,423.45
  4. Step 4: Simplify right side
    3,154.83x = 6,736,206.67
  5. Step 5: Solve for x
    x = 6,736,206.67/3,154.83
  6. Step 6: Final answer
    x = 2,135.20

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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.