Home / 1,346.10-2,007.82-1,305.10

Finding the Fourth Proportional to 1,346.10, 2,007.82 and 1,305.10

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Solution

The fourth proportional to 1,346.10, 2,007.82 and 1,305.10 is: 1,946.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346.10 : 2,007.82 = 1,305.10 : x
  2. Step 2: Convert to fraction form
    1,346.10/2,007.82 = 1,305.10/x
  3. Step 3: Cross multiply
    1,346.10x = 2,007.82 × 1,305.10
  4. Step 4: Simplify right side
    1,346.10x = 2,620,405.88
  5. Step 5: Solve for x
    x = 2,620,405.88/1,346.10
  6. Step 6: Final answer
    x = 1,946.67

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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.