Home / 3,384.37-4,670.45-1,892.31

Finding the Fourth Proportional to 3,384.37, 4,670.45 and 1,892.31

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Solution

The fourth proportional to 3,384.37, 4,670.45 and 1,892.31 is: 2,611.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,384.37 : 4,670.45 = 1,892.31 : x
  2. Step 2: Convert to fraction form
    3,384.37/4,670.45 = 1,892.31/x
  3. Step 3: Cross multiply
    3,384.37x = 4,670.45 × 1,892.31
  4. Step 4: Simplify right side
    3,384.37x = 8,837,939.24
  5. Step 5: Solve for x
    x = 8,837,939.24/3,384.37
  6. Step 6: Final answer
    x = 2,611.40

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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.