Home / 3,490.11-5,230.53-1,904.76

Finding the Fourth Proportional to 3,490.11, 5,230.53 and 1,904.76

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Solution

The fourth proportional to 3,490.11, 5,230.53 and 1,904.76 is: 2,854.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,490.11 : 5,230.53 = 1,904.76 : x
  2. Step 2: Convert to fraction form
    3,490.11/5,230.53 = 1,904.76/x
  3. Step 3: Cross multiply
    3,490.11x = 5,230.53 × 1,904.76
  4. Step 4: Simplify right side
    3,490.11x = 9,962,904.32
  5. Step 5: Solve for x
    x = 9,962,904.32/3,490.11
  6. Step 6: Final answer
    x = 2,854.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.