Home / 3,549.78-4,898.70-2,057.99

Finding the Fourth Proportional to 3,549.78, 4,898.70 and 2,057.99

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Solution

The fourth proportional to 3,549.78, 4,898.70 and 2,057.99 is: 2,840.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,549.78 : 4,898.70 = 2,057.99 : x
  2. Step 2: Convert to fraction form
    3,549.78/4,898.70 = 2,057.99/x
  3. Step 3: Cross multiply
    3,549.78x = 4,898.70 × 2,057.99
  4. Step 4: Simplify right side
    3,549.78x = 10,081,451.12
  5. Step 5: Solve for x
    x = 10,081,451.12/3,549.78
  6. Step 6: Final answer
    x = 2,840.02

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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.