Home / 3,203.28-4,421.10-1,859.74

Finding the Fourth Proportional to 3,203.28, 4,421.10 and 1,859.74

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Solution

The fourth proportional to 3,203.28, 4,421.10 and 1,859.74 is: 2,566.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,203.28 : 4,421.10 = 1,859.74 : x
  2. Step 2: Convert to fraction form
    3,203.28/4,421.10 = 1,859.74/x
  3. Step 3: Cross multiply
    3,203.28x = 4,421.10 × 1,859.74
  4. Step 4: Simplify right side
    3,203.28x = 8,222,096.51
  5. Step 5: Solve for x
    x = 8,222,096.51/3,203.28
  6. Step 6: Final answer
    x = 2,566.77

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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.