Home / 2,310.10-3,465.15-1,338.10

Finding the Fourth Proportional to 2,310.10, 3,465.15 and 1,338.10

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Solution

The fourth proportional to 2,310.10, 3,465.15 and 1,338.10 is: 2,007.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,310.10 : 3,465.15 = 1,338.10 : x
  2. Step 2: Convert to fraction form
    2,310.10/3,465.15 = 1,338.10/x
  3. Step 3: Cross multiply
    2,310.10x = 3,465.15 × 1,338.10
  4. Step 4: Simplify right side
    2,310.10x = 4,636,717.22
  5. Step 5: Solve for x
    x = 4,636,717.22/2,310.10
  6. Step 6: Final answer
    x = 2,007.15

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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.