Home / 3,423.56-4,724.50-1,851.65

Finding the Fourth Proportional to 3,423.56, 4,724.50 and 1,851.65

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Solution

The fourth proportional to 3,423.56, 4,724.50 and 1,851.65 is: 2,555.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,423.56 : 4,724.50 = 1,851.65 : x
  2. Step 2: Convert to fraction form
    3,423.56/4,724.50 = 1,851.65/x
  3. Step 3: Cross multiply
    3,423.56x = 4,724.50 × 1,851.65
  4. Step 4: Simplify right side
    3,423.56x = 8,748,111.17
  5. Step 5: Solve for x
    x = 8,748,111.17/3,423.56
  6. Step 6: Final answer
    x = 2,555.27

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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.