Home / 3,018.66-4,498.34-2,919.57

Finding the Fourth Proportional to 3,018.66, 4,498.34 and 2,919.57

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Solution

The fourth proportional to 3,018.66, 4,498.34 and 2,919.57 is: 4,350.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018.66 : 4,498.34 = 2,919.57 : x
  2. Step 2: Convert to fraction form
    3,018.66/4,498.34 = 2,919.57/x
  3. Step 3: Cross multiply
    3,018.66x = 4,498.34 × 2,919.57
  4. Step 4: Simplify right side
    3,018.66x = 13,133,218.51
  5. Step 5: Solve for x
    x = 13,133,218.51/3,018.66
  6. Step 6: Final answer
    x = 4,350.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.