Home / 3,431.66-4,735.68-1,859.76

Finding the Fourth Proportional to 3,431.66, 4,735.68 and 1,859.76

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Solution

The fourth proportional to 3,431.66, 4,735.68 and 1,859.76 is: 2,566.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,431.66 : 4,735.68 = 1,859.76 : x
  2. Step 2: Convert to fraction form
    3,431.66/4,735.68 = 1,859.76/x
  3. Step 3: Cross multiply
    3,431.66x = 4,735.68 × 1,859.76
  4. Step 4: Simplify right side
    3,431.66x = 8,807,228.24
  5. Step 5: Solve for x
    x = 8,807,228.24/3,431.66
  6. Step 6: Final answer
    x = 2,566.46

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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.