Home / 1,604.10-2,210.38-1,183.78

Finding the Fourth Proportional to 1,604.10, 2,210.38 and 1,183.78

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Solution

The fourth proportional to 1,604.10, 2,210.38 and 1,183.78 is: 1,631.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,604.10 : 2,210.38 = 1,183.78 : x
  2. Step 2: Convert to fraction form
    1,604.10/2,210.38 = 1,183.78/x
  3. Step 3: Cross multiply
    1,604.10x = 2,210.38 × 1,183.78
  4. Step 4: Simplify right side
    1,604.10x = 2,616,603.64
  5. Step 5: Solve for x
    x = 2,616,603.64/1,604.10
  6. Step 6: Final answer
    x = 1,631.20

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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.