Home / 3,349.76-4,622.70-1,857.80

Finding the Fourth Proportional to 3,349.76, 4,622.70 and 1,857.80

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Solution

The fourth proportional to 3,349.76, 4,622.70 and 1,857.80 is: 2,563.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,349.76 : 4,622.70 = 1,857.80 : x
  2. Step 2: Convert to fraction form
    3,349.76/4,622.70 = 1,857.80/x
  3. Step 3: Cross multiply
    3,349.76x = 4,622.70 × 1,857.80
  4. Step 4: Simplify right side
    3,349.76x = 8,588,070.58
  5. Step 5: Solve for x
    x = 8,588,070.58/3,349.76
  6. Step 6: Final answer
    x = 2,563.79

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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.