Home / 3,501.55-4,832.13-1,929.63

Finding the Fourth Proportional to 3,501.55, 4,832.13 and 1,929.63

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Solution

The fourth proportional to 3,501.55, 4,832.13 and 1,929.63 is: 2,662.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,501.55 : 4,832.13 = 1,929.63 : x
  2. Step 2: Convert to fraction form
    3,501.55/4,832.13 = 1,929.63/x
  3. Step 3: Cross multiply
    3,501.55x = 4,832.13 × 1,929.63
  4. Step 4: Simplify right side
    3,501.55x = 9,324,223.01
  5. Step 5: Solve for x
    x = 9,324,223.01/3,501.55
  6. Step 6: Final answer
    x = 2,662.88

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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.