Home / 3,423.63-4,724.60-1,851.72

Finding the Fourth Proportional to 3,423.63, 4,724.60 and 1,851.72

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Solution

The fourth proportional to 3,423.63, 4,724.60 and 1,851.72 is: 2,555.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,423.63 : 4,724.60 = 1,851.72 : x
  2. Step 2: Convert to fraction form
    3,423.63/4,724.60 = 1,851.72/x
  3. Step 3: Cross multiply
    3,423.63x = 4,724.60 × 1,851.72
  4. Step 4: Simplify right side
    3,423.63x = 8,748,636.31
  5. Step 5: Solve for x
    x = 8,748,636.31/3,423.63
  6. Step 6: Final answer
    x = 2,555.37

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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.