Home / 3,429.61-4,732.90-1,857.74

Finding the Fourth Proportional to 3,429.61, 4,732.90 and 1,857.74

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Solution

The fourth proportional to 3,429.61, 4,732.90 and 1,857.74 is: 2,563.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,429.61 : 4,732.90 = 1,857.74 : x
  2. Step 2: Convert to fraction form
    3,429.61/4,732.90 = 1,857.74/x
  3. Step 3: Cross multiply
    3,429.61x = 4,732.90 × 1,857.74
  4. Step 4: Simplify right side
    3,429.61x = 8,792,469.34
  5. Step 5: Solve for x
    x = 8,792,469.34/3,429.61
  6. Step 6: Final answer
    x = 2,563.70

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1.5x scale

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.